Thesaurus.com Dictionary.com

tight chops

ADJECTIVE

close

Synonyms

STRONG

hidden private retired secluded

WEAK

buttoned-up buttoning one's lip clamming up close-lipped closemouthed hush-hush mum's the word reticent secretive silent taciturn tight-lipped uncommunicative unforthcoming zipping one's lips

Antonyms

STRONG

gossipy indiscreet open

WEAK

public