gnat

noun

: any of various small usually biting dipteran flies
gnatty adjective

Examples of gnat in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
These wipes protect against and repel mosquitoes, ticks, gnats and more. Bestreviews, Mercury News, 26 June 2025 The Dyneema Composite Fabric 8 (DCF 8) tub floor extends 9 inches (23 cm) in height to better protect from blowing rain and ground water, while the properly tiny holes of the no-see-um mesh keep even minuscule gnats and biting midges out while letting air circulate freely. New Atlas, 17 May 2025 Clean drains and the garbage disposal to get rid of food buildup that can be breeding grounds where gnats thrive. Arricca Elin Sansone, Southern Living, 16 Mar. 2025 The zapper emits a blue-violet light that attracts flying insects like mosquitos, flies, gnats, and wasps, then zaps them with 4,200 volts of electricity. Maggie Horton, People.com, 13 June 2025 See All Example Sentences for gnat

Word History

Etymology

Middle English, from Old English gnætt; akin to Old English gnagan to gnaw

First Known Use

before the 12th century, in the meaning defined above

Time Traveler
The first known use of gnat was before the 12th century

Cite this Entry

“Gnat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gnat. Accessed 4 Jul. 2025.

Kids Definition

gnat

noun
: any of various small usually biting two-winged flies

Medical Definition

gnat

noun
: any of various small usually biting dipteran flies (as a midge or blackfly)

More from Merriam-Webster on gnat

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