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
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On the contrary, their ability to stay present in every situation, along with their innate sense of self-worth, draws others in like a moth to a flame. Valerie Mesa, PEOPLE, 5 Nov. 2025 Niklas Wahlberg, an evolutionary biologist at Lund University in Sweden, captures a moth in a plastic container at a trapping site along an Alpine trail above Malles Venosta, Italy. Glenn Zorpette, IEEE Spectrum, 4 Nov. 2025 The moths infesting a pantry are not the same as moths hiding in your closet. Lauren Wicks, Southern Living, 28 Oct. 2025 In the 1650s, the Calvinist preacher Thomas Hall insisted that his godliness attracted the attention of Satan like a moth to a candle. Penelope Geng, The Conversation, 27 Oct. 2025 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

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Cite this Entry

“Moth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/moth. Accessed 14 Nov. 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

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