closemouthed
Translation
reticent, secretive, taciturn
Examples
He is very closemouthed about his work.
He is very reticent about his work.
Grammar Patterns
((to be)) closemouthed ((about sth.)) to be secretive about something He is closemouthed about his plans.
Similar Words
Synonyms: reticent, secretive, taciturn; Antonyms: talkative, open, communicative
Etymology
From 'close' + 'mouthed'. It literally describes someone who keeps their mouth shut or closed.
Memory Tips
Picture someone physically holding their mouth closed to prevent a secret from getting out.