silent

silent (http://definr.com/silent)

     adj 1: marked by absence of sound; "a silent house"; "soundless
            footsteps on the grass"; "the night was still" [syn: soundless,
             still]
     2: failing to speak or communicate etc when expected to; "the
        witness remained silent" [syn: mum]
     3: (of film) having no spoken dialogue and usually no
        soundtrack; "a silent movie" [ant: talking]
     4: indicated by necessary connotation though not expressed
        directly; "gave silent consent"; "a tacit agreement"; "the
        understood provisos of a custody agreement" [syn: implied,
         tacit, understood]
     5: not made to sound; "the silent `h' at the beginning of
        `honor'"; "in French certain letters are often unsounded"
        [syn: unsounded]
     6: having a frequency below or above the range of human
        audibility; "a silent dog whistle"
     7: unable to speak because of hereditary deafness [syn: dumb,
         mute]