N. aphony, aphonia, dumbness, obmutescence, absence of voice, want of voice, dysphony, cacoepy, silence, raucity, harsh voice, unmusical voice, falsetto, "childish treble mute", dummy

V. keep silence, speak low, speak softly, whisper, silence, render mute, render silent, muzzle, muffle, suppress, smother, gag, strike dumb, dumfounder, drown the voice, put to silence, stop one's mouth, cut one short, stick in the throat

Adj. aphonous, dumb, mute, deafmute, deaf and dumb, mum, tongue- tied, breathless, tongueless, voiceless, speechless, wordless, mute as a fish, mute as a stockfish, mute as a mackerel, silent, muzzled, inarticulate, inaudible, croaking, raucous, hoarse, husky, dry, hollow, sepulchral, hoarse as a raven, rough

Adv. with bated breath, with the finger on the lips, sotto voce, in a low tone, in a cracked voice, in a broken voice

Phr. vox faucibus haesit

N. silence, muteness, obmutescence, taciturnity, pauciloquy, costiveness|, curtness, reserve, reticence, man of few words

V. be silent, keep silence, keep mum, hold one's tongue, hold one's peace, hold one's jaw, not speak, &c. 582, say nothing, keep one's counsel, seal the lips, close the lips, button the lips, zipper the lips, put a padlock on the lips, put a padlock on the mouth, put a bridle on one's tongue, bite one's tongue, keep one's tongue between one's teeth, make no sign, not let a word escape one, keep a secret, not have a word to say, hush up, hush, lay the finger on the lips, place the finger on the lips, render mute, stick in one's throat

Adj. silent, mute, mum, silent as a post, silent as a stone, silent as the grave, dumb, unconversable, taciturn, sparing of words, closetongued, costive|, inconversable|, curt, reserved, reticent

Phr. cave quid dicis quando et cui, volto sciolto i pensieri stretti

Int. shush, tush, silence, mum, hush, chut, hist, tut, chup, mum's the word, keep your mouth shut, [vulgar]