silent
adjective
-
unable to speak because of hereditary deafnessdumb
-
having a frequency below or above the range of human audibility“a silent dog whistle”
-
not made to sound“the silent `h' at the beginning of `honor'”unsounded
-
failing to speak or communicate etc when expected to“the witness remained silent”mum
-
implied by or inferred from actions or statements“gave silent consent”tacit
-
marked by absence of sound“a silent house”stillsoundless