/ Thesaurus / B Synonyms of bo peep Find synonyms for: Noun1. peekaboo, bopeep, child's gameusage: a game played with young children; you hide your face and suddenly reveal it as you say boo!WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language