Definition of Break up

Babylon English Dictionary
end a romantic or friendly relationship; disassemble, take apart
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Break up Definition from Arts & Humanities Dictionaries & Glossaries
English-Latin Online Dictionary
discerpo
Break up Definition from Language, Idioms & Slang Dictionaries & Glossaries
Webster's Revised Unabridged Dictionary (1913)
(n.)
Disruption; a separation and dispersion of the parts or members; as, a break-up of an assembly or dinner party; a break-up of the government.
  
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. About
hEnglish - advanced version

break-up
\break"-up`\ (&?;), n. disruption; a separation and dispersion of the parts or members; as, a break-up of an assembly or dinner party; a break-up of the government.

ENGLISH IDIOMS 2.EDITION
not date anymore, not be lovers anymore Lan and Chan broke up last night. They had a bad quarrel.
stop a relationship She broke up with her boyfriend last June.
English Idioms WM 1.3a
not date anymore, not be lovers anymore (Compare breakup)
Lan and Chan broke up last night. They had a bad quarrel.
GLOSSARY OF ESOTERIC WORDS
break into pieces,disperse (a crowd), stop (a fight),end a relationship
*I broke the cracker up into pieces and put it in the soup.
*The police broke the demonstration up before it got out of control.
*Sam and Diane broke up again. What a rocky relationship.
Australian Slang
collapse with laughter; cause (someone) to laugh uncontrollably
English Slang Dictionary v1.2
1. to make someone very angry
2. to cause someone to laugh heartily
3. to laugh heartily
WordNet 2.0

Verb
1. to cause to separate and go in different directions; "She waved her hand and scattered the crowds"
(synonym) disperse, dissipate, dispel, scatter
(hypernym) separate, divide
(hyponym) disband
2. discontinue an association or relation; go different ways; "The business partners broke over a tax question"; "The couple separated after 25 years of marriage"; "My friend and I split up"
(synonym) separate, part, split up, split, break
(hyponym) give the axe, give the bounce, give the gate
(derivation) dissolution, breakup
3. come apart; "the group broke up"
(hypernym) separate, part, split
(hyponym) disband, dissolve
(derivation) separation, breakup, detachment
4. break violently or noisily; smash;
(synonym) crash, break apart
(hypernym) disintegrate
(verb-group) crash
5. make a break in; "We interrupt the program for the following messages"
(synonym) interrupt, disrupt, cut off
(hypernym) break, break off, discontinue, stop
(hyponym) cut, cut off
6. cause to go into a solution; "The recipe says that we should dissolve a cup of sugar in two cups of water"
(synonym) dissolve, resolve
(hypernym) change integrity
(hyponym) melt, run, melt down
(cause) dissolve
7. suffer a nervous breakdown
(synonym) crack up, crack, crock up, collapse
(hypernym) suffer, sustain, have, get
8. take apart into its constituent pieces
(synonym) disassemble, dismantle, take apart, break apart
(hypernym) destroy, destruct
9. destroy the completeness of a set of related items; "The book dealer would not break the set"
(synonym) break
(hypernym) change, alter, modify
(verb-group) break
10. set or keep apart; "sever a relationship"
(synonym) sever
(hypernym) separate, disunite, divide, part
(verb-group) discerp, sever, lop
11. attack with or as if with a pickaxe of ice or rocky ground, for example; "Pick open the ice"
(synonym) pick
(hypernym) pierce
(entail) chop, hack
12. release ice; "The icebergs and glaciers calve"
(synonym) calve
(hypernym) separate, divide, part
13. close at the end of a session; "The court adjourned"
(synonym) adjourn, recess
(hypernym) end, stop, finish, terminate, cease
14. bring the association of to an end or cause to break up; "The decree officially dissolved the marriage"; "the judge dissolved the tobacco company"
(synonym) dissolve
(hypernym) end, terminate
(verb-group) dissolve, dismiss
15. come to an end; "Their marriage dissolved"; "The tobacco monopoly broke up"
(synonym) dissolve
(hypernym) end, terminate
16. break or cause to break into pieces; "The plate fragmented"
(synonym) fragment, fragmentize, fragmentise
(hypernym) break, separate, split up, fall apart, come apart
(hyponym) atomize, atomise
17. cause to separate; "break up kidney stones"; "disperse particles"
(synonym) disperse, scatter
(hypernym) change integrity
(hyponym) backscatter
18. separate (substances) into constituent elements or parts
(synonym) decompose, break down
(hypernym) separate
(hyponym) digest
(classification) chemistry, chemical science
19. laugh unrestrainedly
(synonym) crack up
(hypernym) laugh, express joy, express mirth
Break up Definition from Government Dictionaries & Glossaries
DOD Dictionary of Military Terms
(*) 1. In detection by radar, the separation of one solid return into a number of individual returns which correspond to the various objects or structure groupings. This separation is contingent upon a number of factors including range, beam width, gain setting, object size and distance between objects. 2. In imagery interpretation, the result of magnification or enlargement which causes the imaged item to lose its identity and the resultant presentation to become a random series of tonal impressions. Also called splitup.
  
Source: U.S. Department of Defense, Joint Doctrine Division. ( About )
Break up Definition from Encyclopedia Dictionaries & Glossaries
Wikipedia English - The Free Encyclopedia
A break up usually refers to a relationship breakup.

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A relationship breakup, often referred to simply as a breakup, is the termination of a usually intimate relationship by any means other than death. The act is commonly termed "dumping [someone]" in slang when it is initiated by one partner. The term is less likely to be applied to a married couple, where a breakup is typically called a separation or divorce. When a couple engaged to be married breaks up, it is typically called a "broken engagement".

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