v become fractured; break or crack on the surface only
v make a very sharp explosive sound
v make a sharp sound
v hit forcefully; deal a hard blow, making a cracking noise
v pass through (a barrier)
v break partially but keep its integrity
v break suddenly and abruptly, as under tension
v gain unauthorized access computers with malicious intentions
v suffer a nervous breakdown
v tell spontaneously
v cause to become cracked
v reduce (petroleum) to a simpler compound by cracking
v break into simpler molecules by means of heat
s used of skin roughened as a result of cold or exposure
s of paint or varnish; having the appearance of alligator hide
s informal or slang terms for mentally irregular