1, 2. Peep,peek,peer mean to look through, over, or around something. To peep or peek is usually to give a quick look through a narrow aperture or small opening, often furtively, slyly, or pryingly, or to look over or around something curiously or playfully: to peep over a wall; to peek into a room.Peek is often associated with children's games. To peer is to look continuously and narrowly for some time, especially in order to penetrate obscurity or to overcome some obstacle in the way of vision: The firefighter peered through the smoke.
a short, shrill little cry or sound, as of a young bird; cheep; squeak.
any of various small sandpipers.
a slight sound or remark, especially in complaint: I don't want to hear a peep out of any of you!
verb (used without object)
to utter the short, shrill little cry of a young bird, a mouse, etc.; cheep; squeak.
to speak in a thin, weak voice.
Origin of peep
1400–50;late Middle Englishpepen, pipen; compare Dutch,Germanpiepen,Old Frenchpiper,Latinpipāre,Greekpippízein,Czechpípat,Lithuanianpỹpti, all ultimately of imitative orig.
"glance" (especially through a small opening), mid-15c., perhaps alteration of Middle English piken (see peek (v.)). Peeping Tom "a curious prying fellow" [Grose] is from 1796; connection with Lady Godiva story dates only from 1837.
"make a short chirp," c.1400, probably altered from pipen (mid-13c.), ultimately imitative (cf. Latin pipare, French pepier, German piepen, Lithuanian pypti, Czech pipati, Greek pipos).
1520s, first in sense found in peep of day, from peep (v.1); meaning "a furtive glance" is first recorded 1730.
"short chirp," early 15c., from peep (v.2); meaning "slightest sound or utterance" (usually in a negative context) is attested from 1903. Meaning "young chicken" is from 1680s. The marshmallow peeps confection are said to date from 1950s.