adjective
Synonyms: silent 3, close, close-lipped, closemouthed, close-tongued, reserved, reticent, taciturn, tight-mouthed, uncommunicative
Idioms: with one's lips sealed
adjective
Synonyms: silent 3, close, close-lipped, closemouthed, close-tongued, reserved, reticent, taciturn, tight-mouthed, uncommunicative
Idioms: with one's lips sealed
Merriam Webster. Collegiate thesaurus English vocabulary. Английский энциклопедический словарь тезаурус. 2003