I. ˈbü interjection
also bo or boh “, ˈbō
Etymology: Middle English bo
— used to express contempt or disapproval or to startle or frighten
II. ˈbü noun
( -s )
1. : a shout of disapproval : a cry of contempt
the unpopular speaker was greeted by boos and hisses
2. : any sound at all especially when uttered in protest or when silence is expected
the baby was good as gold and didn't say boo all through church
III. verb
( -ed/-ing/-s )
intransitive verb
: to deride and jeer especially by uttering or shouting boo
the crowd booed for five minutes
transitive verb
: to boo at : express disapproval of or dissatisfaction with (as a person, a performance, an idea) by booing
the play was booed unmercifully by the gallery — Celia Johnson
IV. ˈbü noun
( -s )
Etymology: origin unknown
: marijuana