silence

Synonyms: blackout calm censorship dead air death dumbness hush hush-hush inarticulateness iron curtain laconism lull muteness noiselessness peace quiescence quiet quietness quietude quietus reserve reticence saturninity secrecy sleep speechlessness still stillness sulk sullenness taciturnity uncommunicativeness

Antonyms: clamor communication noise talk

Synonyms: choke off clam clam up close up cool it cut off cut short dampen deaden decrease the volume dry up dull dumb dummy up extinguish gag hold one’s tongue hush hush-hush hush one’s mouth keep it down lull muffle mute muzzle overawe pipe down quash quell quiet quiet down quieten say nothing shush shut up sit on soft-pedal squelch stifle still strike dumb subdue suppress tonguetie

Antonyms: be noisy communicate talk