Definition of Invalid

Babylon English Dictionary
expired; disqualified; sick, ill; handicapped; of the handicapped, of sick people; feeble; illegal, incorrect, unknown to the program (Computers)
cripple, bedridden person; something which is not valid
make sick, disable; become sick, become disabled; retire from service (due to a disability)
Search Dictionary
Invalid Definition from Arts & Humanities Dictionaries & Glossaries
English-Latin Online Dictionary
inritus irritus
Invalid Definition from Language, Idioms & Slang Dictionaries & Glossaries
Webster's Revised Unabridged Dictionary (1913)
(v. t.)
To make or render invalid or infirm.
  
(v. t.)
To classify or enroll as an invalid.
  
(n.)
Not well; feeble; infirm; sickly; as, he had an invalid daughter.
  
(a.)
Of no force, weight, or cogency; not valid; weak.
  
(a.)
Having no force, effect, or efficacy; void; null; as, an invalid contract or agreement.
  
(a.)
A person who is weak and infirm; one who is disabled for active service; especially, one in chronic ill health.
  
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. About
hEnglish - advanced version

invalid
\in*val"id\ (?), a. [pref. in- not + valid: cf. f. invalide, l. invalidus infirm, weak. cf. invalid infirm.]
1. of no force, weight, or cogency; not valid; weak.
2. (law) having no force, effect, or efficacy; void; null; as, an invalid contract or agreement.
invalid
\in"va*lid\ (?; 277), n. [f. invalide, n. & a., l. invalidus, a. see invalid null.] a person who is weak and infirm; one who is disabled for active service; especially, one in chronic ill health.
invalid
\in"va*lid\ (?), a. [see invalid, n.] not well; feeble; infirm; sickly; as, he had an invalid daughter.
invalid
\in"va*lid\, v. t. 1. to make or render invalid or infirm. "invalided, bent, and almost blind."
2. to classify or enroll as an invalid. peace coming, he was invalided on half pay. arlyle.
invalid
adj
1. having no cogency or legal force; "invalid reasoning"; "an invalid driver's license" [ant: valid]
2. no longer valid; "the license is invalid" n : someone who is incapacitated by a chronic illness or injury [syn: shut-in]
v 1: force to retire, remove from active duty, as of firemen 2: injure permanently; "he was disabled in a car accident" [syn: disable, incapacitate, handicap]




for Vocabulary Exams of KPDS, YDS,UDS (in Turkey); and SAT in America
One who is disabled by illness or injury.
WordNet 2.0

Noun
1. someone who is incapacitated by a chronic illness or injury
(synonym) shut-in
(hypernym) sick person, diseased person, sufferer
(member-holonym) homebound
(derivation) disable, incapacitate, handicap

Verb
1. force to retire, remove from active duty, as of firemen
(hypernym) remove
2. injure permanently; "He was disabled in a car accident"
(synonym) disable, incapacitate, handicap
(hypernym) injure, wound
(hyponym) hock
(derivation) shut-in

Adjective
1. having no cogency or legal force; "invalid reasoning"; "an invalid driver's license"
(antonym) valid
(similar) bad, uncollectible
(see-also) illegitimate
2. no longer valid; "the license is invalid"
(similar) expired
Invalid Definition from Social Science Dictionaries & Glossaries
Dream Dictionary
To dream of invalids, is a sign of displeasing companions interfering with your interest. To think you are one, portends you are threatened with displeasing circumstances.
  
Ten Thousand Dreams Interpreted, or "What's in a dream": a scientific and practical exposition; By Gustavus Hindman, 1910. For the open domain e-text see: Guttenberg Project
Invalid Definition from Science & Technology Dictionaries & Glossaries
Aviation - English - Spintra.com
An indication that data from a device is bad and cannot be trusted
Invalid Definition from Computer & Internet Dictionaries & Glossaries
JDK Doc(JAVA)
- exception org.omg.CORBA.DynAnyPackage..Invalid 
public final class Invalid extends UserException 
Tree:java.lang.Object - java.lang.Throwable - java.lang.Exception - org.omg.CORBA.UserException - org.omg.CORBA.DynAnyPackage.Invalid
Invalid is thrown by dynamic any operations when a bad DynAny or Any is passed as a parameter.
- Constructor for class org.omg.CORBA.DynAnyPackage.Invalid 
public Invalid ()
- Constructor for class org.omg.CORBA.DynAnyPackage.Invalid 
public Invalid (String  reason)
Invalid Definition from Encyclopedia Dictionaries & Glossaries
Wikipedia English - The Free Encyclopedia
Invalid may refer to:
  • Patient, a sick person
  • An archaic, politically incorrect term for a person with a disability
  • .invalid, a top-level Internet domain not intended for real use

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The name invalid is reserved by the Internet Engineering Task Force (IETF) in RFC 2606 (June 1999) as a domain name that may not be installed as a top-level domain in the Domain Name System (DNS) of the Internet.

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