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[pee-per] /ˈpi pər/
a person or thing that emits or utters a peeping sound.
Northeastern U.S. any of several frogs having a peeping call, especially the spring peeper.
Origin of peeper1
First recorded in 1585-95; peep2 + -er1


[pee-per] /ˈpi pər/
a person who peeps in an abnormally prying manner; a voyeur.
peepers, Slang. the eyes.
First recorded in 1645-55; peep1 + -er1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for peeper
Historical Examples
  • "You bet I'll keep a peeper on him," he bragged, reaching for his hat.

    The Pirate of Panama William MacLeod Raine
  • You will not have much use of this peeper for a week or ten days to come.

    Lily Norris' Enemy Joanna Mathews
  • Why, I've been longing for years to learn how peeper frogs peep.

    Wilderness of Spring Edgar Pangborn
  • Mrs. Spafford, a peeper through doors and keyholes, explained the schoolmarm's methods.

    Bunch Grass Horace Annesley Vachell
  • I went back to the peeper screen just as Joey buzzed my signal again.

    Nor Iron Bars a Cage.... Gordon Randall Garrett
  • She ran to the window, evidently startling the peeper quite as much as she had been startled herself.

    Nan Sherwood at Pine Camp Annie Roe Carr
  • A farmer going by told him it was only a "spring peeper," whatever that was, "some kind of a critter in the water."

    Two Little Savages

    Ernest Thompson Seton
  • But Scott, of course, had even less in common with the peeper and botanizer on maidens' hearts than with the wildest romanticist.

  • He kept his eyes on the crosshair of the peeper, one hand over the timer button.


    Randall Garrett
  • He quietly sidled up to the hole where a peeper's nose made a knot on the tent on the inside.

    Gov. Bob. Taylor's Tales Robert L. Taylor
British Dictionary definitions for peeper


a person who peeps
(often pl) a slang word for eye1 (sense 1)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for peeper

1650s, "one who peeps," agent noun from peep (v.1). Slang meaning "eye" is c.1700. From 1590s as "young chicken" and 1857 as "tree frog" (American English), both from peep (v.2).

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for peeper



A private detective; pi, private dick: And don't bother to call your house peeper (1940+)

Related Terms


The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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