cracked; cracking; cracks
Definition of crack
(Entry 1 of 3)
1 : to make a very sharp explosive sound The whip cracks through the air.
2 : to break, split, or snap apart The statue cracked when she dropped it.
3 : fail: such as
a : to lose control or effectiveness under pressure —often used with up The stress was so great that she started to crack up.
b : to fail in tone His voice cracked.
4 : to go or travel at good speed —usually used with on The steamboat cracked on.
1a : to break so that fissures appear on the surface crack a mirror
b : to break with a sudden sharp sound crack nuts
2 : to tell especially suddenly or strikingly crack a joke
3 : to strike with a sharp noise : rap then cracks him over the head cracked a two-run homer in the eighth
4a(1) : to open (something, such as a bottle) for drinking
(2) : to open (a book) for studying
b : to puzzle out and expose, solve, or reveal the mystery of crack a code
c : to break into crack a safe
d : to open slightly crack the throttle
e : to break through (something, such as a barrier) so as to gain acceptance or recognition … on track to crack Hollywood after landing a big screen role.— Ed Gleave and Peter Dyke
f : to show or begin showing (a smile) especially reluctantly or uncharacteristically
5a : to impair seriously or irreparably : wreck crack an opponent's courage
b : to destroy the tone of (a voice)
d : to interrupt sharply or abruptly The criticism cracked our complacency.
6 : to cause to make a sharp noise cracks his knuckles
7a(1) : to subject (hydrocarbons) to cracking
(2) : to produce by cracking cracked gasoline
b : to break up (chemical compounds) into simpler compounds by means of heat
crack the whipcrack wise
: to adopt or apply an authoritative, tyrannical, or threatening approach or policy (as in demanding harder work from employees) The team needs a coach who isn't afraid to crack the whip.
: to make a wisecrack The comedian often cracked wise about prominent politicians.
Definition of crack (Entry 2 of 3)
1a : a loud roll or peal a crack of thunder
b : a sudden sharp noise the crack of rifle fire
2 : a sharp witty remark : quip
3a : a narrow break : fissure a crack in the ice
b : a narrow opening Leave the door open a crack. cracks between floorboards —used figuratively in phrases like fall through the cracks to describe one that has been improperly or inadvertently ignored or left out a player who fell through the cracks in the college draftChildren slipping through the cracks of available youth services.
4a : a weakness or flaw caused by decay, age, or deficiency : unsoundness
b : a broken tone of the voice
c : crackpot
7 : a sharp resounding blow gave him a crack on the head
8 : an attempt or opportunity to do something her first crack at writing a novel got first crack at the job opening
9 or crack cocaine : a potent form of cocaine that is obtained by treating the hydrochloride of cocaine with sodium bicarbonate to create small chips used illicitly for smoking
Definition of crack (Entry 3 of 3)
: of superior excellence or ability a crack marksman
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