Synonyms of boo
- 1 Syllable
- scoff, pooh, oop, ugh, ah, hoot, um, hiss, er, ums, ers, huh, whoop, psst, phooey
- 2 Syllables
- hooray, hissed, catcall, oh's, egad, hissing, whooped, hooted, ahem, scoffed, jeepers, hooting
- 4 Syllables
- disapproval, sibilate, interjections, sibilance, interjection