snap

[1]	break (off) , separate , crack , cleave , split , fracture , give way , part
[2]	click , pop , crack
[3]	snap at , bite (at) , nip , gnash/snatch atattack , lunge at , lash out (at) , snarl at , growl (at) , bark (at) , be brusque/short/curt (with) , (Colloq) jump down (someone's) throat , fly off the handle (at)
[4]	snap up/(US) off , grab (up) , snatch (up) , seize , pluck , pounce on/upon , make off with , take (away) , capture , catch , get , secure
[5]	shoot , snapshot , photograph , click , catch
[6]	snap one's fingers at , disdain , scorn , flout , dismiss , contemn , disregard , ignore , defy , mock , deride , thumb one's nose at , (Brit) cock a snook at
[7]	snap out of it , recover , come round/around , revive , awaken , wake up , perk up , liven up , cheer up , get a grip/(a) hold on/of oneself , pull oneself together , (re)gain control of oneself
[8]	snarl
[9]	tear , rupture , bust
[10]	crack
[11]	click
[12]	crack
[13]	snatch , snatch up
[14]	click , flick
[15]	break down , lose it
[16]	photograph , shoot

[1]	catch , grab , snatch
[2]	snap bean
[3]	gingersnap , ginger snap , ginger nut
[4]	crack , cracking
[5]	elasticity , crack , crackle , pop , click
[6]	spell , snapshot , shot , period , interval , wave
[7]	catch , snap fastener , press stud , spring catch , (snap-)fastener , fastening , clasp
[8]	energy , cinch , vigour , breeze , picnic , animation , liveliness , duck soup , child's play , vitality , bounce , pushover , walkover , alertness , sprightliness , piece of cake , dash , sparkle , verve , (Colloq) zip , zing , get-up-and-go , pep , pizazz
[9]	easy job , (Slang) picnic , (US/Canadian) breeze
[10]	centering

adj.

[1]	abrupt , sudden , precipitate , hurried , hasty , incautious , rash , unpremeditated , unplanned , not well-thought-out , quick , instantaneous , instant