Silent

1. (a.) Free from sound or noise; absolutely still; perfectly quiet.

2. (a.) Not speaking; indisposed to talk; speechless; mute; taciturn; not loquacious; not talkative.

3. (a.) Keeping at rest; inactive; calm; undisturbed; as, the wind is silent.

4. (a.) Not pronounced; having no sound; quiescent; as, e is silent in fable.

5. (a.) Having no effect; not operating; inefficient.

6. (n.) That which is silent; a time of silence.

Thesaurus Entries

aphonic, brief, brusque, calm, checked, close, close-lipped, close-tongued, closemouthed, concise, curbed, curt, dumb, echoless, economical of words, hush as death, hushed, implicit, implied, inactive, inarticulate, inaudible, incoherent, indisposed to talk, inhibited, laconic, mousy, mum, mute, muted, noiseless, pacific, passive, peaceful, placid, quiescent, quiet, reserved, restrained, reticent, secretive, serene, short, sleeping, snug, soundless, sparing of words, speechless, still, still as death, stilly, subaudible, tacit, taciturn, terse, tight-lipped, tongue-tied, tranquil, unagitated, unarticulated, uncommunicative, undeclared, understood, undisturbed, unexpressed, unhearable, unloquacious, unmentioned, unproclaimed, unpronounced, unpublished, unrecorded, unruffled, unsaid, unsociable, unsounded, unspoken, unstated, unsung, untalkative, untalked-of, untold, untroubled, unuttered, unvocalized, unvoiced, unwritten, voiceless, whist, word-bound, wordless