1.Definition: a refusal to speak when expected

"His silence about my contribution was surprising"

Related Noun(s):muteness

Category: General

2.Definition: the absence of sound

"He needed silence in order to sleep", "The street was quiet"

Related Noun(s):quiet

Category: General

3.Definition: the state of being silent (as when no one is speaking)

"There was a shocked silence", "He gestured for silence"

Category: General

4.Definition: the trait of keeping things secret

Related Noun(s):secrecy, secretiveness

Category: General