not say boo
US informal to say nothing:
You didn't say boo to me about going to your mother's this weekend.
US also be afraid to say boo, UK not say boo to a goose informal to be very nervous and easily frightened
Thesaurus: synonyms and related words
Not saying much
- a man/woman of few words idiom
- abrupt
- brief
- cat
- concise
- crisp
- curt
- few
- has the cat got your tongue? idiom
- laconic
- not waste words idiom
- pithy
- quietly
- reticent
- taut
- terse
- wall
- walls have ears idiom
- waste
- well chosen
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You can also find related words, phrases, and synonyms in the topics:
Shy and modest
Anxious and worried