Definition of Blue

Babylon English Dictionary
having a blue color; sad, depressed (slang)
color blue, color of the sky or sea
paint blue; treat with bluing (substance used to whiten clothes); waste money, spend extravagantly (Slang)
(Literature) sky, sea; the unknown
Search Dictionary
Blue Definition from Language, Idioms & Slang Dictionaries & Glossaries
Webster's Revised Unabridged Dictionary (1913)
(v. t.)
To make blue; to dye of a blue color; to make blue by heating, as metals, etc.
  
(superl.)
Suited to produce low spirits; gloomy in prospect; as, thongs looked blue.
  
(superl.)
Severe or over strict in morals; gloom; as, blue and sour religionists; suiting one who is over strict in morals; inculcating an impracticable, severe, or gloomy mortality; as, blue laws.
  
(superl.)
Pale, without redness or glare, -- said of a flame; hence, of the color of burning brimstone, betokening the presence of ghosts or devils; as, the candle burns blue; the air was blue with oaths.
  
(superl.)
Low in spirits; melancholy; as, to feel blue.
  
(superl.)
Literary; -- applied to women; -- an abbreviation of bluestocking.
  
(superl.)
Having the color of the clear sky, or a hue resembling it, whether lighter or darker; as, the deep, blue sea; as blue as a sapphire; blue violets.
  
(pl.)
Low spirits; a fit of despondency; melancholy.
  
(n.)
One of the seven colors into which the rays of light divide themselves, when refracted through a glass prism; the color of the clear sky, or a color resembling that, whether lighter or darker; a pigment having such color. Sometimes, poetically, the sky.
  
(n.)
A pedantic woman; a bluestocking.
  
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. About
hEnglish - advanced version

blue
\blue\ (&?;), a. [compar. bluer (&?;); superl. bluest.] [oe. bla, blo, blew, blue, sw. bl&?;, d. blauw, ohg. bl&?;o, g. blau; but influenced in form by f. bleu, from ohg. blāo.]
1. having the color of the clear sky, or a hue resembling it, whether lighter or darker; as, the deep, blue sea; as blue as a sapphire; blue violets. "the blue firmament."
2. pale, without redness or glare, -- said of a flame; hence, of the color of burning brimstone, betokening the presence of ghosts or devils; as, the candle burns blue; the air was blue with oaths.
3. low in spirits; melancholy; as, to feel blue.
4. suited to produce low spirits; gloomy in prospect; as, thongs looked blue. [colloq.]
5. severe or over strict in morals; gloom; as, blue and sour religionists; suiting one who is over strict in morals; inculcating an impracticable, severe, or gloomy mortality; as, blue laws.
6. literary; -- applied to women; -- an abbreviation of bluestocking. [colloq.] the ladies were very blue and well informed.
blue
asbestus. see crocidolite.
blue
black, of, or having, a very dark blue color, almost black.
blue
blood. see under blood.
blue
buck (zo?l.), a small south african antelope (cephalophus pygm?us); also applied to a larger species (?goceras leucoph?us); the blaubok.
blue
cod (zo?l.), the buffalo cod.
blue
crab (zo?l.), the common edible crab of the atlantic coast of the united states (callinectes hastatus).
blue
curls (bot.), a common plant (trichostema dichotomum), resembling pennyroyal, and hence called also bastard pennyroyal
blue
devils, apparitions supposed to be seen by persons suffering with delirium tremens; hence, very low spirits. "can gumbo shut the hall door upon blue devils, or lay them all in a red sea of claret?"
blue
gage. see under gage, a plum.
blue
gum, an australian myrtaceous tree (eucalyptus globulus), of the loftiest proportions, now cultivated in tropical and warm temperate regions for its timber, and as a protection against malaria. the essential oil is beginning to be used in medicine. the timber is very useful. see eucalyptus.
blue
jack,
blue
stone, blue vitriol; sulphate of copper.
blue
jacket, a man-of war's man; a sailor wearing a naval uniform.
blue
jaundice. see under jaundice.
blue
laws, a name first used in the eighteenth century to describe certain supposititious laws of extreme rigor reported to have been enacted in new haven; hence, any puritanical laws. [u. s.]
blue
light, a composition which burns with a brilliant blue flame; -- used in pyrotechnics and as a night signal at sea, and in military operations.
blue
mantle (her.), one of the four pursuivants of the english college of arms; -- so called from the color of his official robes.
blue
mass, a preparation of mercury from which is formed the blue pill.
blue
mold, or mould, the blue fungus (aspergillus glaucus) which grows on cheese.
blue
monday, a monday following a sunday of dissipation, or itself given to dissipation (as the monday before lent).
blue
ointment (med.), mercurial ointment.
blue
peter (british marine), a blue flag with a white square in the center, used as a signal for sailing, to recall boats, etc. it is a corruption of blue repeater, one of the british signal flags.
blue
pill. (med.) (a) a pill of prepared mercury, used as an aperient, etc. (b) blue mass.
blue
ribbon. (a) the ribbon worn by members of the order of the garter; -- hence, a member of that order. (b) anything the attainment of which is an object of great ambition; a distincti


 blue monday 
 blue pigeon 
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 cobalt blue 
 blue peter 
 indigo blue 
 blue asbestus 
 blue pointed 
 peacock blue 
 blue pill 
 blue black 
 blue pike 
 ultramarine blue 
 blue sky 
 blue book 
 blue ruin 
 iron blue 
 blue ribbon 
 blue print 
 blue stocking 
 blue blood 
 blue spar 
 mountain blue 
 blue snowbird 
 williamson`s blue 
 blue box 
 blue tangle 
 azodiphenyl blue 
 blue sunfish 
 blue buck 
 blue stone 
 blue bice 
 blue tulip 
 little blue heron 
 blue tit 
 naphthol blue 
 greenish blue 
 blue thrush 
 bromphenol blue 
 blue thistle 
 blue vitriol 
 bromophenol blue 
 blue verditer 
 mazarine blue 
 yellow-blue color blindness 
 true blue 
 blue verdigris 
 out of the blue 
 dark-blue 
 blue beech 
 blue wire 
 blue cod 
 blue weed 

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 blue bonnet 
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 blue-back mullet 
 wooly blue curls 
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 blue-blind 
 navy blue 
 blue-belly 
 kentucy blue grass 
 blue-bellied parrot 
 thumb blue 
 coventry blue 
 blue crab 
 blue-bonnet 
 black and blue 
 blue-blooded 
 blue darter 
 blue-blindness 
 black-and-blue 
 blue-eyed grass 
 blue cardinal flower 
 blue-eyed 
 blue curls 
 blue-eye 
ENGLISH IDIOMS 2.EDITION
sad, depressed, down, low """Are you blue, Dear?"" ""Yes. Jack left me."""
The Phrase Finder
Meaning
A surprise.
Origin
Like a bolt of lightening from a blue sky.
Meaning
The blood that which flows in the veins of old and aristocratic families.
Origin
A translation of the Spanish sangre azul attributed to some of the oldest and proudest families of Castile, who claimed never to have been contaminated by Moorish, Jewish, or other foreign admixture; the expression probably originated in the blueness of the veins of people of fair complexion as compared with those of dark skin; also, a person with blue blood; an aristocrat.
Meaning
The discernable distance between the ideologies of two political parties.
Origin
First used either by or about the British Conservative Party and their opponents in the early 1990s.
Meaning
A surprise.
Origin
Like a lightening bolt from a clear sky.
Meaning
A very rare event.
Origin
A blue moon was originally cited as something impossible and later came to mean unlikely. There are rare examples of the moon actually appearing blue, after volcanic eruptions or unusual weather conditions. Another possible derivation is from The Maine Farmers' Almanac. When there were two full moons in a calendar month the first was printed in red, the second in blue.
Origin
Collection of items that is considered lucky for the bride to take to her wedding.
© 2004 The Phrase Finder. Take a look at Phrase Finder’s sister site, the Phrases Thesaurus, a subscription service for professional writers & language lovers.
English Idioms WM 1.3a
sad, depressed, down, low
"Are you blue, Dear?" "Yes. Jack left me."
Concise English-Irish Dictionary v. 1.1
gorm
English Phonetics

www.interactiveselfstudy.com
JM Welsh <=> English Dictionary
Arlas = a. tipped with blue
Asur = n. the blue sky, azure
Cochlas = a. of red blue; purple
Dulas = a. blackish blue
Glas = n. blue; verdancy, a. blue, pale; gray
Glasfaen = n. blue stone, vitriol
Glasiad = n. a tingeing with blue
Glasu = v. to make blue
Glesyn = n. what is blue
Gorlas = n. superior blue; a. of superior blue
Gorlasar = n. blue enamel
Gwelwlas = a. pale blue
Gwynlas = a pale blue, whitish blue, sky-coloured
Gwyrddlas = a. greenish blue
Llas = n. incrustation; blue
Llasar = n. enamel, a. blue
Lleion = n. a dark blue marble
Llwydlas = n. a greyish blue
Llwydlasu = v. to become of a greyish blue
Melynlas = a. yellowish blue
Rhuddlas = a. crimson blue
Anagram
  lube
Australian Slang
1. dismal: “I'm feeling blue”; 2. obscene; pertaining to obscenity: “a blue joke”; “blue movie”; 3. fight; dispute; row; argue; 4. error; 5. drunk; 6. (obsolete) spend wastefully; squander: “blued his cheque”; 7. nickname for a readhead
(plural noun) blue eyes
extremely windy
Breed of Australian cattle dog; police
(pl. n.) painful, temporary condition of the testicles which may follow a long period of unrelieved sexual arousal
(pl. n.) intensifier: "What the blue blazes are you doing?"; "drove like blue blazes"
hallucinogenic mushroom
(obsolete) out of sorts; stale: "a bloke goes blue mouldy in a place like this"
pornographic film
serious trouble
a working class man
$10 note, blue in colour
ignite a burst of flatulence
(pl. n.) despondency; melancholy
police force
to do something very fast
famous Strine soprano. Hala Blue and Andy Kleimags first
appeared together as a light opera team in 1907 in "Snow White and the 700 Decibels." Since that time, until the outbreak of television and the subsequent merciful decline of musical comedy, this ever-popular team has captured the hearts of Strine audiences whenever they appeared. Even “Old Vienna” type productions could not dampen the enthusiasm of their many faithful fans. Hala Blue as La Stentoretta in "The Shriek and the Cholera Tourer" was, to put it mildly, unforgettable. For seventeen years this talented couple successfully toured the country, playing always to packed houses, in the roles of Dr. Yes and Little Miss Noma in "Mam Barfly and Ida"
to have a fight or argument
very fast
to make a mistake
shoes
(criminal) incriminate oneself by suspiciously looking at the wrong time
become extremely angry
1. patriotic; real Australian; 2. loyal; faithful; genuine
WordNet 2.0

Noun
1. the color of the clear sky in the daytime; "he had eyes of bright blue"
(synonym) blueness
(hypernym) chromatic color, chromatic colour, spectral color, spectral colour
(hyponym) azure, cerulean, sapphire, lazuline, sky-blue
2. blue clothing; "she was wearing blue"
(hypernym) clothing, article of clothing, vesture, wear
3. any organization or party whose uniforms or badges are blue; "the Union army was a vast blue"
(hypernym) organization, organisation
(hyponym) Union Army
4. the sky as viewed during daylight; "he shot an arrow into the blue"
(synonym) blue sky, blue air, wild blue yonder
(hypernym) sky
5. used to whiten laundry or hair or give it a bluish tinge
(synonym) bluing, blueing
(hypernym) dye, dyestuff
6. the sodium salt of amobarbital that is used as a barbiturate; used as a sedative and a hypnotic
(synonym) amobarbital sodium, blue angel, blue devil, Amytal
(hypernym) amobarbital
7. any of numerous small chiefly blue butterflies of the family Lycaenidae
(hypernym) lycaenid, lycaenid butterfly
(member-holonym) Lycaena, genus Lycaena

Verb
1. turn blue
(hypernym) discolor, discolour, colour, color
(derivation) blueness

Adjective
1. having a color similar to that of a clear unclouded sky; "October's bright blue weather"- Helen Hunt Jackson; "a blue flame"; "blue haze of tobacco smoke"
(synonym) bluish, blueish, light-blue, dark-blue, blue-black
(similar) chromatic
2. used to signify the Union forces in the Civil War (who wore blue uniforms); "a ragged blue line"
(similar) northern
3. low in spirits; "lonely and blue in a strange city"; "depressed by the loss of his job"; "a dispirited and resigned expression on her face"; "downcast after his defeat"; "feeling discouraged and downhearted"
(synonym) depressed, dispirited, down(p), downcast, downhearted, down in the mouth, low, low-spirited
(similar) dejected
4. characterized by profanity or cursing; "foul-mouthed and blasphemous"; "blue language"; "profane words"
(synonym) blasphemous, profane
(similar) dirty
5. suggestive of sexual impropriety; "a blue movie"; "blue jokes"; "he skips asterisks and gives you the gamy details"; "a juicy scandal"; "a naughty wink"; "naughty words"; "racy anecdotes"; "a risque story"; "spicy gossip"
(synonym) gamy, gamey, juicy, naughty, racy, risque, spicy
(similar) sexy
6. belonging to or characteristic of the nobility or aristocracy; "an aristocratic family"; "aristocratic Bostonians"; "aristocratic government"; "a blue family"; "blue blood"; "the blue-blooded aristocracy"; "of gentle blood"; "patrician landholders of the American South"; "aristocratic bearing"; "aristocratic features"; "patrician tastes"
(synonym) aristocratic, aristocratical, blue-blooded, gentle, patrician
(similar) noble
7. morally rigorous and strict; "blue laws"; "the puritan work ethic"; "puritanic distaste for alcohol"; "she was anything but puritanical in her behavior"
(synonym) blue(a), puritan, puritanic, puritanical
(similar) nonindulgent
8. causing dejection; "a blue day"; "the dark days of the war"; "a week of rainy depressing weather"; "a disconsolate winter landscape"; "the first dismal dispiriting days of November"; "a dark gloomy day"; "grim rainy weather"
(synonym) dark, depressing, disconsolate, dismal, dispiriting, gloomy, grim
(similar) cheerless, uncheerful
Blue Definition from Business & Finance Dictionaries & Glossaries
Sean_Woo's Finance,GIS & Real Estate Glossary
best linear unbiased estimator; means the estimators of least squares, in the class of unbiased linear estimators, have minimum variance.
Note: "best" means having minimum variance; "unbiased" means the average or expected value is equal to the true value.
Company Info: Ticker, Name, Description
Blue Martini Software, Inc.
Exchange: Nasdaq
Provides e-business software and services which enable companies to build brand equity through direct customer interaction across internet-related customer "touch points," such as websites, mobile wireless devices and on-line trading exchanges and traditional customer touchpoint s, such as store and cell centers.
Blue Dolphin Energy Company
Exchange: Nasdaq
Holding company with subsidiaries which explore, acquire, develop and operate oil and gas properties; Transport, process and market oil and gas; And develop offshore terminaling and storage for imported crude oil and refined products.
BLUE RIDGE REAL ESTATE CO
Exchange: OTCBB
Not Available
BLUE CHIP VALUE FUND INC
Exchange: NYSE
Not Available
BLUE ZONE INC
Exchange: OTCBB
Not Available
Blue River Bancshares, Inc.
Exchange: Nasdaq
Savings and loan holding company with subsidiary which performs savings bank operations and other related financial activities.
BLUE RIDGE ENERGY INC
Exchange: OTCBB
Not Available
BLUE SQUARE ISRAEL LTD
Exchange: NYSE
Operates chain of supermarkets stores in israel, offeriing wide range of consumer products including food and beverages, apparel, pharmaceuticals, housewares, electronics and cosmetics; And formerly operated department stores.
Blue Rhino Corporation
Exchange: Nasdaq
Provides consumers with a convenient means to exchange empty grill cylinders for clean, safer, precision-filled cylinders.
Blue Definition from Government Dictionaries & Glossaries
US Zip Codes
State: ARIZONA
City: BLUE
Blue Definition from Social Science Dictionaries & Glossaries
Dream Symbols
See colors 
Blue Definition from Science & Technology Dictionaries & Glossaries
Bureau of Labor Statistics Glossary
Includes precision production, craft, and repair occupations; machine operators and inspectors; transportation and moving occupations; handlers, equipment cleaners, helpers, and laborers; and service occupations.
© U.S. Bureau of Labor Statistics
The Regulatory Fish Encyclopedia (RFE)
Scientific Name: Callinectes sapidus
Common Name: Blue Crab
Market Name: Crab, Blue
Family: Portunidae (common edible crabs)

More details...
Abbreviation Airbus A340
Blue: One of the three main colours like blue, yellow and red.
Blue Definition from Computer & Internet Dictionaries & Glossaries
JDK Doc(JAVA)
- Static variable in class java.awt.Color 
public static final Color blue
The color blue. In the default sRGB space.
RGB Colours
RGB: 0;0;255
Hex: 0000FF
 See example...
RGB: 138;43;226
Hex: 8A2BE2
 See example...
RGB: 0;0;255
Hex: 0000FF
 See example...
RGB: 0;0;238
Hex: 0000EE
 See example...
RGB: 0;0;205
Hex: 0000CD
 See example...
RGB: 0;0;139
Hex: 00008B
 See example...
Blue Definition from Encyclopedia Dictionaries & Glossaries
Wikipedia English - The Free Encyclopedia
Blue is a colour, the perception of which is evoked by light having a spectrum dominated by energy with a wavelength of roughly 450–490 nm. It is considered one of the additive primary colours. On the HSV Colour Wheel, the complement of blue is yellow; that is, a colour corresponding to an equal mixture of red and green light. On a colour wheel based on traditional colour theory (RYB) where blue was considered a primary colour, its complementary colour is considered to be orange (based on the Munsell colour wheel).

See more at Wikipedia.org...
In statistics, the Gauss–Markov theorem, named after Carl Friedrich Gauss and Andrey Markov, states that in a linear regression model in which the errors have expectation zero and are uncorrelated and have equal variances, the best linear unbiased estimator (BLUE) of the coefficients is given by the ordinary least squares estimator. Here "best" means giving the lowest possible mean squared error of the estimate. The errors need not be normal, nor independent and identically distributed (only uncorrelated and homoscedastic).

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© This article uses material from Wikipedia® and is licensed under the GNU Free Documentation License and under the Creative Commons Attribution-ShareAlike License
Blue Definition from Society & Culture Dictionaries & Glossaries
The Scotch Whisky by SDA v.4.20
Blue Hanger, De Luxe Blended Scotch Whisky
Blue Hanger 25 YO Limited Released, Vatted Malt Scotch Whisky

By: Berry Bros & Rudd Ltd. (London, England)
Blue Label, Blended Scotch Whisky
By: Oldfields (Glasgow, Scotland)
Oldfield's "Blue Label", Blended Scotch Whisky

By: J. & G. Oldfield Ltd. (Glasgow, Scotland)
Scotch Blue 17, 21 YO, De Luxe Blended Scotch Whisky
By: Burn Stewart Distillers Plc. - For: Lotte Chilsung
Cocktails
1 shot Gin
1-2 oz Lemon or Lime Juice
1 dash Blue Curacao

Shake with ice and strain into glass. Add a little Maraschino if needed.
2 oz. Vermouth
1/2 oz. Blue curacao
slice of lemon
lemonade
dash of grenadine
ice

To a tall glass full of ice; add vermouth and blue curacao. Stir. Top up with lemonade. Add a drop of grenadine. Garnish with lemon slice.
2 pts. Malibu (or other coconut) rum
1 pt. Blue Curacao
3 pts. Pineapple Juice
dash of orange juice

Stir in highball glass and serve over ice.
2 parts white rum
1 part blue curacao
4 parts pineapple juice
2 parts cream of coconut
crushed ice

Blend. Garnish w/pineapple
1 shot Vodka
1 shot Blue Curacao
Lemonade

Pour vodka and curacao over ice in a tall glass and then fill to top with Lemonade.
1 shot Tequila
1/2 shot Blue Curacao
1 oz Lime Juice

Rub rim of glass with lime juice, dip in salt.
Shake ingredients with ice and strain into glass.
1 part gin
1 part light rum
1 part triple sec
1 part vodka
1 part blue curacao
splash of sour mix

Add to highball. Fill with lemon/lime soda. Mix gently over ice.
6 oz. milk
1 oz. Blue Curaco
Ice
Add to shaker. Shake. Strain. Serve.
1 parts vodka
2 parts sour mix
1 parts blue curacao
blend, serve in exotic glasses
Blue Definition from Entertainment & Music Dictionaries & Glossaries
English to Federation-Standard Golic Vulcan
pla-kur
English - Klingon
SuD 'ej Hurgh - blue or blueish color
v. SuD
Blue Definition from Religion & Spirituality Dictionaries & Glossaries
Easton's Bible Dictionary
generally associated with purple (Ex. 25:4; 26:1, 31, 36, etc.). It is supposed to have been obtained from a shellfish of the Mediterranean, the Helix ianthina of Linnaeus. The robe of the high priest's ephod was to be all of this colour (Ex. 28:31), also the loops of the curtains (26:4) and the ribbon of the breastplate (28:28). Blue cloths were also made for various sacred purposes (Num. 4:6, 7, 9, 11, 12). (See COLOUR.)
Blue Definition from Medicine Dictionaries & Glossaries
A Basic Guide to ASL
The right 'B' hand shakes slightly, pivoted at the wrist.
Drug information
    USP DI - Pyrethrins and Piperonyl Butoxide (Topical)