AskDefine | Define gadfly

Dictionary Definition



1 a persistently annoying person [syn: pest, blighter, cuss, pesterer]
2 any of various large flies that annoy livestock

User Contributed Dictionary



gadfly (plural: gadflies)
  1. Any dipterous insect of the genus Oestrus, and allied group of botflies.
  2. A fly of various species, of the family Tabanid[ae], noted for buzzing about animals and sucking their blood.
  3. A horsefly.
  4. One who upsets the status quo by posing upsetting or novel questions, or attempt to stimulate innovation by proving an irritant see Wikipedia.
  5. A bloodsucker
    He's a regular gadfly and takes advantage of his friend's generosity.


an insect
a fly
a horsefly
one who upsets the status quo
(slang) a bloodsucker

Extensive Definition

Gadfly can refer to:

Synonyms, Antonyms and Related Words

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