Peeper

//ˈpiːpə// noun, slang

noun, slang ·Moderate ·High school level

Definitions

Noun
  1. 1
    The eye. colloquial, in-plural

    "Check out the gorgeous peepers on that guy!"

  2. 2
    an animal that makes short high-pitched sounds wordnet
  3. 3
    Someone who peeps; a spy.

    "Who's there? peepers, intelligencers, eavesdroppers?"

  4. 4
    an informal term referring to the eye wordnet
  5. 5
    A private detective. dated, derogatory, slang

    "So you go to see this peeper, this Marlowe. That was your mistake."

Show 4 more definitions
  1. 6
    a viewer who enjoys seeing the sex acts or sex organs of others wordnet
  2. 7
    A peeping tom.
  3. 8
    An animal, such as some frogs, having a shrill, high-pitched call.
  4. 9
    A chicken just breaking the shell; a young bird. colloquial

Synonyms

All synonyms
banjo eyesbusybodydetectiveeyeeyeeyeball

Example

More examples

"Yanni took a look through the peeper on the front door."

Etymology

From peep + -er.

Related phrases

leaf peeperpixel peeperpixel-peeperspring peeperhigh pitchedpeeping tom

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.