keep-one's-mouth-shut

Verbs

(v) refrain from divulging sensitive information; keep quiet about confidential information
- Don't tell him any secrets--he cannot keep his mouth shut!
keep quiet, shut one's mouth,

Synonyms

keep quiet shut one's mouth

Antonyms

babble out blab blab out let the cat out of the bag peach spill the beans tattle babble sing talk

Words of close approximity