silent

silent
    adj 1: marked by absence of sound; "a silent house"; "soundless
           footsteps on the grass"; "the night was still" [syn:
           {silent}, {soundless}, {still}]
    2: failing to speak or communicate etc when expected to; "the
       witness remained silent" [syn: {mum}, {silent}]
    3: implied by or inferred from actions or statements; "gave
       silent consent"; "a tacit agreement"; "the understood
       provisos of a custody agreement" [syn: {silent}, {tacit},
       {understood}]
    4: not made to sound; "the silent `h' at the beginning of
       `honor'"; "in French certain letters are often unsounded"
       [syn: {silent}, {unsounded}]
    5: having a frequency below or above the range of human
       audibility; "a silent dog whistle"
    6: unable to speak because of hereditary deafness [syn: {dumb},
       {mute}, {silent}]
    

Silent \Si"lent\, n.
   That which is silent; a time of silence. [R.] "The silent of
   the night." --Shak.
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Silent \Si"lent\, a. [L. silens, -entis, p. pr. of silere to be
   silent; akin to Goth. ana-silan.]
   1. Free from sound or noise; absolutely still; perfectly
      quiet.
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            How silent is this town!              --Shak.
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   2. Not speaking; indisposed to talk; speechless; mute;
      taciturn; not loquacious; not talkative.
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            Ulysses, adds he, was the most eloquent and most
            silent of men.                        --Broome.
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            This new-created world, whereof in hell
            Fame is not silent.                   --Milton.
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   3. Keeping at rest; inactive; calm; undisturbed; as, the wind
      is silent. --Parnell. Sir W. Raleigh.
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   4. (Pron.) Not pronounced; having no sound; quiescent; as, e
      is silent in "fable."
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   5. Having no effect; not operating; inefficient. [R.]
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            Cause . . . silent, virtueless, and dead. --Sir W.
                                                  Raleigh.
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   {Silent partner}. See {Dormant partner}, under {Dormant}.
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   Syn: Mute; taciturn; dumb; speechless; quiet; still. See
        {Mute}, and {Taciturn}.
        [1913 Webster]
    

91 Moby Thesaurus words for "silent":
      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