plural moths ˈmȯt͟hz How to pronounce moth (audio) ˈmȯths How to pronounce moth (audio)
1
2
: 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 purple tubular Seussical horns of nourishment are a favourite of bees, moths, and butterflies. New York Times Games, New York Times, 21 Dec. 2024 Incorporating native plants and trees–the plants birds and bees and butterflies and moths evolved alongside–into home landscapes supports a range of biodiversity, including moths. Chadd Scott, Forbes, 7 Dec. 2024 The fabric of space-time, at its smallest scales, was loosely woven, chewed by moths, too flimsy to bear the weight of the world. Quanta Magazine, 25 Sep. 2024 The factory-building boom in the U.S. is losing steam, but the tangible results of the surge are due to be felt in the coming moths and years. Courtney Fingar, Forbes, 12 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 30 Dec. 2024.

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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!