Etymology
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peekaboo (n.)

also peek-a-boo, as the name of a children's game attested from 1590s; as an adjective (of garments) meaning "see-through, open," it dates from 1895. From peek (v.) + boo. Compare bo-peep.

updated on March 14, 2020

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Definitions of peekaboo from WordNet

peekaboo (n.)
a game played with young children; you hide your face and suddenly reveal it as you say boo!;
Synonyms: bopeep
Etymologies are not definitions. From wordnet.princeton.edu, not affiliated with etymonline.

Dictionary entries near peekaboo

pedophiliac

pedophilic

peduncle

pee

peek

peekaboo

peel

peeler

peen

peep

peeper