1) to be silent, hold one's peace
1a) used of one's silence because dumb
2) metaphorically of a calm, quiet sea
Part of Speech: verb
From σιωπη siôpê (silence, that is, a hush; properly muteness, that is, involuntary stillness, or inability ot speak; and thus differing from G4602, which is rather a voluntary refusal or indisposition to speak, although the terms are often used synonymously); to be dumb (but not deaf also, like G2974 properly); figuratively to be calm (as quiet water): - dumb, (hold) peace.
|c become calm||14.24|
|a be silent||33.117|
|b not be able to speak||33.118|
These two sites give similar information, with the definition from several dictionaries and statistics on the use of the word.
Perseus Digital Library
University of Chicago's Logion lexicon
Thayer's dictionary plus other information.
From this site's dictionary (in Italian)
Click on the first column to search for that word as a form of the root σιωπάω; click on the second column to search for that grammatical form of the root σιωπάω; click on the third column to search for that word and grammatical form; click on the total to search for the root σιωπάω.