moth

noun

ˈmȯth 

plural moths ˈmȯt͟hz  ˈmȯths 

1

: clothes moth

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

ˈmȯth-ˌlīk 

adjective

mothy

ˈmȯ-thē 

adjective

Examples of moth in a Sentence

Recent Examples on the Web

Macomb County, Michigan Spongy moths, formerly known as gypsy moths, are an invasive insect that can damage trees and create nuisances for residents, county officials said. — Paula Wethington, CBS News, 20 Oct. 2026

Many butterfly and moth species lay pupae in leaf litter, so throwing away leaves each fall may be getting rid of these beneficial insects, too. — Stephen Underwood, Hartford Courant, 18 Oct. 2026

This is in stark contrast to more plainly colored moths, for example, which are the preferred prey of many airborne predators. — Jennifer Ouellette, ArsTechnica, 30 Sep. 2026

For wildlife, beneficial insects like butterfly caterpillars, moth pupae and beetles can overwinter in leaf litter. — Pam Rosendal, Denver Post, 27 Sep. 2026

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

Phrases Containing moth

• brown-tail moth
• cecropia moth
• cinnabar moth
• clearwing moth
• clothes moth
• codling moth
• death's-head hawk moth
• diamondback moth
• hawk moth
• imperial moth
• Io moth
• luna moth
• Mediterranean flour moth
• moth bean
• moth-eaten
• oriental fruit moth
• peppered moth
• silk moth
• sphinx moth
• spongy moth
• tiger moth
• tussock moth
• wax moth

Rhymes for moth

• broth
• cloth
• doth
• froth
• goth
• loth
• swath
• wroth
• broadcloth
• cheesecloth
• loincloth
• neckcloth

Kids Definition

moth

noun

ˈmȯth 

plural moths ˈmȯt͟hz  ˈmȯths 

: 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