crack
1. crack \'krak\ vb [ME crakken, fr. OE cracian; akin to Skt jarate it
crackles -m more at CRANE 1: to make a very sharp explosive sound in or as
if in breaking 2: to break without parting 3: FAIL : as 3a: to lose
control or effectiveness under pressure 3b: to fail in tone {voice ~ed}
3c: to smash up a vehicle esp. by losing control {~ed up on a curve} 4: to
go at a good speed; specif : to proceed under full sail or s team 5: to
break up into simpler compounds usu. as a result of heating 1a: to break
so that fissures appear on the surface 1b: to break with a sudden sharp
sound {~ nuts} 2a: to utter esp. suddenly or strikingly {~ a joke} 2b:
EXTOL, PRAISE {wasn't all it was ~ed up to b e} 3: to strike with a sharp
noise : RAP 4: to put on (as full speed) 5a1: to open (as a bottle) for
drinking 5a2: to open (a book) for studying 5b: to puzzle out and solve
or reveal the mystery of {~ a code} 5c: to break into {~ a safe} 5d: to
break through (as a barrier) so as to gain acceptance or recognitio n 6a:
to impair seriously or irreparably : WRECK {~ a car up } 6b: to destroy the
tone of (a voice) 6c: DISORDER, CRAZE 6d: to interrupt sharply or
abruptly 7: to cause to make a sharp noise 8a1: to subject (hydrocarbons)
to cracking 8a2: to produce by cracking 8b: to break up (chemical
compounds) into simpler compounds by means of he at
2. crack n 1: a sudden sharp noise dial chiefly Brit 2a: TALK, GOSSIP
2b: a sharp witty remark : QUIP 3a: a narrow break : FISSURE 3b: a narrow
opening 4a: a weakness or flaw caused by decay, age, or deficiency :
UNSOUNDNE SS 4b: a broken tone of a voice 4c: CRACKPOT 5: MOMENT, INSTANT
6: HOUSEBREAKING, BURGLARY 7: a sharp resounding blow 8: ATTEMPT, TRY
3. crack aj : of superior excellence or ability
Webster's English Dictionary