crack up


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crack

 (krăk)
v. cracked, crack·ing, cracks
v.intr.
1.
a. To break without complete separation of parts: The mirror cracked.
b. To break or snap apart: The branch cracked off and fell.
2. To make a sharp snapping sound: His knees cracked as he sat down.
3.
a. To break down; fail: The defendant's composure finally began to crack.
b. To have a mental or physical breakdown: cracked under the pressure.
4. To change sharply in pitch or timbre, as from hoarseness or emotion. Used of the voice.
5. To move or go rapidly: was cracking along at 70 miles an hour.
6. Chemistry To break into simpler molecules, often by means of heat or a catalyst.
v.tr.
1.
a. To cause to break without complete separation of parts: The pebble cracked the car's windshield. See Synonyms at break.
b. To cause to break with a sharp snapping sound: crack nuts.
c. To crush (corn or wheat, for example) into small pieces.
2.
a. To strike, especially with a sharp sound: cracked the intruder over the head with a lamp.
b. To cause to come into forceful contact with something, especially with a sharp sound: fell and cracked his head against the floor.
3. To open to a slight extent: crack a window to let in some air.
4. Informal
a. To break open or into: crack a safe.
b. To open up for use or consumption: crack a book; cracked a beer.
c. To break through (an obstacle) in order to win acceptance or acknowledgment: finally cracked the "men-only" rule at the club.
5. To discover the solution to, especially after considerable effort: crack a code.
6. To cause (the voice) to crack.
7. Informal To tell (a joke), especially on impulse or in an effective manner.
8. To cause to have a mental or physical breakdown.
9. To impair or destroy: Their rude remarks cracked his equanimity.
10. To reduce (petroleum) to simpler compounds by cracking.
n.
1.
a. A partial split or break; a fissure: cracks in the basement wall.
b. A slight narrow space: The window was open a crack.
c. Informal The fissure between the buttocks.
2. A defect or flaw: cracks in the argument; a crack in his composure.
3. A sharp snapping sound, such as the report of a firearm.
4. A sharp resounding blow: gave him a crack on the head.
5. A breaking, harshly dissonant vocal tone or sound, as in hoarseness.
6. An attempt or try: gave him a crack at the job; took a crack at photography.
7. A witty or sarcastic remark. See Synonyms at joke.
8. A moment; an instant: at the crack of dawn.
9. Irish Fun had when socializing; social amusement.
10. Slang Crack cocaine.
adj.
Excelling in skill or achievement; first-rate: a crack shot; a crack tennis player.
Phrasal Verbs:
crack down
To act more forcefully to regulate, repress, or restrain: The police cracked down on speeding.
crack up Informal
1. To praise highly: He was simply not the genius he was cracked up to be.
2.
a. To damage or wreck (a vehicle or vessel): crack up a plane; crack up a boat.
b. To wreck a vehicle in an accident: cracked up on the expressway.
3. To have a mental or physical breakdown: crack up from overwork.
4. To experience or cause to experience a great deal of amusement: really cracked up when I heard that joke.
Idiom:
crack the whip
To behave in a domineering manner; demand hard work and efficiency from those under one's control.

[Middle English craken, from Old English cracian; see gerə- in Indo-European roots.]

crack up

vb (adverb)
1. (intr) to break into pieces
2. (intr) informal to undergo a physical or mental breakdown
3. (Pathology) (tr) informal to present or report, esp in glowing terms: it's not all it's cracked up to be.
4. informal chiefly US and Canadian to laugh or cause to laugh uproariously or uncontrollably
n
5. (Pathology) a physical or mental breakdown
6. a collapse
7. US a crash
ThesaurusAntonymsRelated WordsSynonymsLegend:
Verb1.crack up - suffer a nervous breakdown
suffer, sustain, have, get - undergo (as of injuries and illnesses); "She suffered a fracture in the accident"; "He had an insulin shock after eating three candy bars"; "She got a bruise on her leg"; "He got his arm broken in the scuffle"
2.crack up - rhapsodize about
exalt, extol, glorify, laud, proclaim - praise, glorify, or honor; "extol the virtues of one's children"; "glorify one's spouse's cooking"
3.crack up - laugh unrestrainedly
express joy, express mirth, laugh - produce laughter

crack

verb
1. To undergo partial breaking:
2. To make a sudden sharp, explosive noise:
3. To find the key to (a code, for example):
4. To give way mentally and emotionally:
break (down), collapse, snap.
Informal: crack up, fold.
5. To suddenly lose all health or strength:
Informal: crack up.
Slang: conk out.
Idiom: give way.
phrasal verb
crack up
1. Informal. To undergo wrecking:
Informal: pile up.
2. Informal. To give way mentally and emotionally:
Informal: fold.
3. Informal. To suddenly lose all health or strength:
Slang: conk out.
Idiom: give way.
noun
1. A sudden sharp, explosive noise:
2. A usually narrow partial opening caused by splitting and rupture:
3. A sudden sharp, powerful stroke:
Informal: bash, biff, bop, clip, wallop.
Slang: belt, conk, paste.
4. A trying to do or make something:
Informal: shot.
Slang: take.
Archaic: assay.
5. A brief trial:
Informal: fling, shot, whack, whirl.
6. A flippant or sarcastic remark:
Slang: wisecrack.
7. A very brief time:
Informal: jiff, jiffy.
Chiefly British: tick.
adjective
Having or demonstrating a high degree of knowledge or skill:
Slang: crackerjack.
Translations

w>crack up

vi
(= break into pieces)zerbrechen; (road surface, lips)aufspringen, rissig werden; (ice)brechen; (machine, plane)auseinanderbrechen, auseinanderfallen; (make-up)rissig werden
(fig inf, person) → durchdrehen (inf); (under strain) → zusammenbrechen; (= have a mental breakdown)einen Nervenzusammenbruch haben; (organization)auseinanderfallen, zusammenbrechen; (= lose ability, strength: athlete etc) → abbauen; I/he must be cracking up (hum)so fängts an (inf); she cracked up in the witness boxsie brach auf der Zeugenbank zusammen
vt sep (inf) he’s/it’s not all he’s/it’s cracked up to beso toll ist er/es dann auch wieder nicht; he’s cracked up to be some sort of geniuser wird als eine Art Genie gepriesen
References in periodicals archive ?
He's discovered jokes, and makes them up, but every single punchline is "because they needed a poo" - and call me childish, but we crack up every single time.
As a subscriber to both your magazine and Playgirl, a favorite pastime of mine has been to locate the gay models who pose in Playgirl and crack up at the "interviews" where they announce themselves triumphantly heterosexual.
I just crack up when he kicks that lady's shopping cart.