(informal) To look slyly, or with the eyes half closed, or through a crevice; to peep. / (informal) To be only slightly, partially visible, as if peering out from a hiding place.

A quick glance or look.

Misspelling of pique.

Acronym of polyetheretherketone.

simple past tense and past participle of peek

Third-person singular simple present indicative form of peek

present participle of peek

The act of one who peeks.

plural of peeking

A surname.