- 1[intransitive] (+ adv./prep.) to look quickly and secretly at something, especially through a small opening We caught her peeping through the keyhole. Could I just peep inside? He was peeping at her through his fingers.
- 2[intransitive] + adv./prep. to be just visible The tower peeped above the trees. The sun peeped out from behind the clouds.
- 3[intransitive, transitive] peep (something) to make a short high sound; to make something make this sound
NAmE//pip//Verb Forms present simple I / you / we / they peep
he / she / it peeps
past simple peeped
-ing form peeping