Meaning of the word "silence is half consent" in English

What does "silence is half consent" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

silence is half consent

US /ˈsaɪ.ləns ɪz hæf kənˈsent/
UK /ˈsaɪ.ləns ɪz hɑːf kənˈsent/
"silence is half consent" picture

Idiom

the idea that if you do not object to something, it is assumed that you agree with it

Example:
He didn't say no when I asked to borrow his car; I guess silence is half consent.
Since nobody protested against the new rule, the manager assumed that silence is half consent.