quietest
adjective
Definitions
With little or no sound; free of disturbing noise.
Example: I can't hear the music; it is too quiet.
Having little motion or activity; calm.
Example: a quiet night at home
Not busy, of low quantity.
Example: Business was quiet for the season.
Not talking much or not talking loudly; reserved.
Example: He's a very quiet man usually, but is very chatty after a few beers.