plural moths ˈmȯt͟hz How to pronounce moth (audio) ˈmȯths How to pronounce moth (audio)
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: any of various usually nocturnal lepidopteran insects with antennae that are often feathery, with a stouter body, duller coloring, and proportionately smaller wings than the butterflies, and with larvae that are plant-eating caterpillars
mothlike adjective
mothy adjective

Examples of moth 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.
The life cycle of a moth is 65 to 90 days, with female moths laying up to 300 eggs each. Ellie Pithers, Vogue, 15 Feb. 2025 With a microscope, these setae look like harpoons, and they’re filled with cocktails of venom proteins that are to scientists like Walker what light is to moths. Ivan Amato, Scientific American, 30 Jan. 2025 In the ancient world and the new Hope’s the same for moth and monarch: hazy Instrument of flight armies gnaw and gnash, leaving the dead Uncovered like a girl ablaze A century ago, crying for help, coveting just a drop of water. Paul Tran, The New Yorker, 27 Jan. 2025 The line included a range of patterns and colors, including Rorschach, a painterly rendition of large-scale butterflies, and Moth, which featured an overlapping design reminiscent of the details of moth wings. Jennifer Bringle, WWD, 15 Dec. 2024 See all Example Sentences for moth 

Word History

Etymology

Middle English mothe, from Old English moththe; akin to Middle High German motte moth

First Known Use

before the 12th century, in the meaning defined at sense 1

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

Dictionary Entries Near moth

Cite this Entry

“Moth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/moth. Accessed 22 Feb. 2025.

Kids Definition

moth

noun
plural moths ˈmȯt͟hz How to pronounce moth (audio) ˈmȯths How to pronounce moth (audio)
: any of a group of night-flying insects that are lepidopterans often with duller coloring, stouter bodies, and smaller wings than the related butterflies and with antennae which are often feathery

More from Merriam-Webster on moth

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