noun \ˈmth\

: a kind of insect that is similar to a butterfly but that flies mostly at night and is usually less colorful

plural moths \ˈmthz, ˈmths\

Full Definition of MOTH

:  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
moth·like \-ˌlīk\ adjective
mothy \ˈm-thē\ adjective

Origin of MOTH

Middle English mothe, from Old English moththe; akin to Middle High German motte moth
First Known Use: before 12th century

Other Insect Terms

drone, entomology, gadfly, pismire, proboscis, vespine

Rhymes with MOTH

MOTHS Defined for Kids


noun \ˈmth\
plural moths \ˈmthz, ˈmths\

Definition of MOTH for Kids

:  an insect that usually flies at night and has mostly feathery antennae and stouter body, duller coloring, and smaller wings than the related butterflies
July 01, 2015
precarious Hear it
not certain, secure, or steady
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