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Synonyms

moth

American  
[mawth, moth] / mɔθ, mɒθ /

noun

moths plural
  1. any of numerous insects of the order Lepidoptera, generally distinguished from the butterflies by having feathery antennae and by having crepuscular or nocturnal habits.

  2. clothes moth.


moth British  
/ mɒθ /

noun

  1. any of numerous insects of the order Lepidoptera that typically have stout bodies with antennae of various shapes (but not clubbed), including large brightly coloured species, such as hawk moths, and small inconspicuous types, such as the clothes moths Compare butterfly

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Etymology

Origin of moth

before 950; Middle English motthe, Old English moththe; akin to German Motte, Old Norse motti

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

At least in the sampled bottles, it was consistently the caterpillar of a single moth species.

From Science Daily • Apr. 26, 2026

“If you were a bumblebee, a moth, or a short-tongued solitary bee, how might you approach this bloom?”

From The Wall Street Journal • Apr. 17, 2026

The Natural History Museum’s Butterfly Pavilion is back, with up to 30 butterfly and moth species, as well as an assortment of California plants.

From Los Angeles Times • Mar. 22, 2026

A similar two-year project in Perth and Stirling engaged more than 1,000 people and created 20 new areas of butterfly and moth habitat in urban and suburban areas.

From BBC • Mar. 2, 2026

From across the dark field, the trailer’s windows glowed, beckoning me as if I had no more willpower than a moth drawn to a candle’s flame.

From "The Old Willis Place" by Mary Downing Hahn

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