silent

adj

1.
marked by absence of sound
soundless still
Derived from:
silence
2.
failing to speak or communicate etc. when expected to
mum
Derived from:
silence
3.
implied by or inferred from actions or statements
tacit understood
4.
not made to sound
unsounded
5.
having a frequency below or above the range of human audibility
6.
unable to speak because of hereditary deafness
dumb mute
7.