definition of
silent

[1] #1 silent s. [mum] failing to speak or communicate etc when expected to; "the witness remained silent". wn

[2] #2 silent s. [tacit, understood] implied by or inferred from actions or statements; "gave silent consent"; "a tacit agreement"; "the understood provisos of a custody agreement". wn

[3] #3 silent s. [unsounded] not made to sound; "the silent 'h' at the beginning of 'honor'"; "in French certain letters are often unsounded". wn

[4] #4 silent s. having a frequency below or above the range of human audibility; "a silent dog whistle". wn

[5] #5 silent s. [dumb, mute] unable to speak because of hereditary deafness. wn