Boo
/buː/
Last Updated: January 2, 2026 at 12:30 PM
Scrabble:5 ptsWWF:6 pts3 letters
Definition of Boo
noun
- A derisive shout made to indicate disapproval.
verb
interjection
- A loud exclamation intended to scare someone, especially a child. Usually used when one has been hidden from the victim and then suddenly appeared unexpectedly.
- Used ironically in a situation where one had the opportunity to scare someone by speaking suddenly.
- An exclamation used by a member or many members of an audience, as at a stage play or sports game, to indicate derision or disapproval of what has just occurred.
Anagrams of Boo
Related Word Patterns
Synonyms & Antonyms
ANTONYMS
cheer