asphyxiate be ruined become insolvent bottle up break bust call a strike call it quits cease censor choke choke off clamp down on close close down close shop close up collapse cork cork up crack down on crash crush cut damp down drown dumbfound extinguish fail fold fold up gag go bankrupt go broke go into receivership go on strike go to pot go to ruin go under go up hold down hush hush-hush jump on keep down keep under kill knock off lay off muffle muzzle pour water on put down put to silence quash quell quench quiet quieten repress secure shush shut shut down on shut off shut up shut up shop shutter silence sit down on sit on smash smother soft-pedal squash squelch stanch stifle still strangle strike strike dumb stultify subdue suffocate suppress switch off throttle turn off walk out