Tight-lipped
Alternative forms
Full definition of tight-lipped
Adjective
tight-lipped
- (idiomatic) Unwilling to divulge information.
- Having the lips pressed together.
- 1922, Rafael Sabatini, , chapter XXV:He would have sprung upon Captain Blood, who stood aloof, alert, tight-lipped, and watchful.
Synonyms
- (unwilling to divulge information) closemouthed, discreet, secretive
Antonyms
- (unwilling to divulge information) indiscreet, loose-lipped