silent

adjective12

1. •
   Free from sound or noise; absolutely still; perfectly quiet.

   • How silent is this town! — 1603
2. •
   (of a person) not talking, or choosing to say nothing

   • Ulysses, adds he, was the most eloquent and most silent of men. — 1725
3. •
   Hidden, unseen.
4. •
   Of an edit or change to a text, not explicitly acknowledged.

   • silent revisions; a silent emendation
5. •
   Undiagnosed or undetected because of an absence of symptoms.
6. •
   Not pronounced; having no sound; quiescent.

   • The e is silent in fable.
   • Silent letters can make some words difficult to spell.
7. •
   With the sound turned off; usually on silent or in silent mode.

   • My phone was on silent.
8. •
   Without audio capability.

   • The Magnavox Odyssey was a silent console.
9. •
   Keeping at rest; inactive; calm; undisturbed.

   • The winds were silent, all the waves asleep, / And heaven was trac'd upon the flattering deep — 1718
10. •
    Having no effect; not operating; inefficient.

    • Cause […] silent, virtueless, and dead. — 1614
11. •
    Not implying significant modifications which would affect a peptide sequence.
12. •
    Of distilled spirit: having no flavour or odour.

noun3

1. •
   That which is silent; a time of silence.

   • Deep night, dark night, the silent of the night. — 1591
2. •
   A silent movie
3. •
   [in the plural] A member of the Silent Generation.

noun1

1. •
   Acronym of syndrome of irreversible lithium-effectuated neurotoxicity.