silent
1. [ adjective ] marked by absence of sound
Synonyms: still soundless
Examples:

"a silent house" "soundless footsteps on the grass" "the night was still"

Related terms: quiet
2. [ adjective ] failing to speak or communicate etc when expected to
Synonyms: mum
Examples:

"the witness remained silent"

Related terms: uncommunicative
3. [ adjective ] having a frequency below or above the range of human audibility
Examples:

"a silent dog whistle"

Related terms: inaudible
4. [ adjective ] indicated by necessary connotation though not expressed directly
Synonyms: implied understood tacit
Examples:

"gave silent consent" "a tacit agreement" "the understood provisos of a custody agreement"

Related terms: implicit
5. [ adjective ] (of film) having no spoken dialogue and usually no soundtrack
Examples:

"a silent movie"

Related terms: talking
6. [ adjective ] not made to sound
Synonyms: unsounded
Examples:

"the silent `h' at the beginning of `honor'" "in French certain letters are often unsounded"

Related terms: inaudible
7. [ adjective ] unable to speak because of hereditary deafness
Synonyms: mute dumb
Related terms: inarticulate
Similar spelling:   silents
  silently
  solent