boo /boo/

1. An exclamation used in fun to startle someone (also bo or boh /bō/)
2. A sound expressing disapproval or contempt (also booh)

To show disapproval (of) by making such a sound

booˈ-boy noun (informal)

A person who jeers and heckles

boo-hoo /-hooˈ/ noun

The sound of noisy weeping

intransitive verb

To weep noisily

booˈ-word noun

A word denoting something disliked, disapproved of, or feared

• principial
• principium
• principle
• principled
• principle of Archimedes
• principle of contradiction
• principle of equivalence
• principle of excluded middle
• principle of identity
• principle of least time
• principle of relativity
• principle of sufficient reason
• principle of the excluded middle
• principles
• principling
• princock
• princocks
• princox
• princoxes
• prink
• prink about
• prinked
• prinking
• prinks
• print