WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / B / boo boo nounverb /bu/ 1 syllables 3 letters Scrabble 5 WWF 6 Definitions noun a cry or noise made to express displeasure or contempt birdbronx cheerhisshootraspberryrazzrazzingsnort verb show displeasure, as after a performance or speech hiss Look “boo” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →