Flea definition

flē
Frequency:
A small, wingless, parasitic insect of the order Siphonaptera, renowned for its bloodsucking habits and jumping abilities.
noun
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A thing of no significance.
noun
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Obsolete spelling of flay.
verb
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Any of various small crustaceans that resemble or move like fleas, such as the water flea.
noun
1
2
Any of an order (Siphonaptera) of small, flattened, wingless insects with large legs adapted for jumping: as adults they are bloodsucking parasites on mammals and birds.
noun
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2
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noun
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Any of various small, wingless, bloodsucking insects of the order Siphonaptera that are parasitic on mammals and birds and can jump long distances.
noun
0
3
Any of various small, wingless, bloodsucking insects of the order Siphonaptera that are parasitic on mammals and birds and can jump long distances.
noun
0
4
a flea in (one's) ear
  • An annoying hint or a stinging rebuke.
idiom
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flea in one's ear
  • a stinging rebuke or rebuff, or an annoying hint
idiom
0
1
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Other Word Forms

Noun

Singular:
flea
Plural:
fleas

Idioms and Phrasal Verbs

a flea in (one's) ear

Origin of flea

  • Middle English fle from Old English flēah

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Middle English fle, from Old English flēah, flēa, from Proto-Germanic *flauhaz (cf. West Frisian flie, Dutch vlo, German Floh), from pre-Germanic *plóukos, from Proto-Indo-European *plúsis.

    From Wiktionary

  • Alternative forms.

    From Wiktionary