yahoo Get Printable Handwriting (Ya-hoo) 2 syllables Rhymes Learn It! Spelling Test Definition noun. a crude coarse person. Example Sentence He was considered a yahoo by many. Synonyms barbarian; beast; boor; brute; roughneck Antonyms well mannered Rhymes Two Syllable Rhymes (1) yahoo Four Syllable Rhymes (1) netanyahu Share with your friends: