: any of various large green American long-horned grasshoppers usually having stridulating organs on the forewings of the males that produce a loud shrill sound
Illustration of katydid
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Some animal names have been created through imitation of the sounds the animals make. The name katydid is an example of this process. These insects were given this name because the noise they make was thought to sound like “Katy-did, Katy-didn't” repeated over and over.
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Shirley Jackson writes in The Haunting of Hill House’s opening paragraph,
No live organism can continue for long to exist sanely under conditions of absolute reality; even larks and katydids are supposed, by some, to dream.—Literary Hub, 5 Mar. 2026 To learn more about what the matador bugs are doing, a team from the Smithsonian Tropical Research Institute (STRI) exposed the bugs to two different types of arthropods–praying mantids and katydids.—Laura Baisas, Popular Science, 11 Sep. 2025 No live organism can continue for long to exist sanely under conditions of absolute reality; even larks and katydids are supposed, by some, to dream.—Kevin Dickinson, Big Think, 8 Aug. 2025 Don’t rule out those nocturnal singers, the katydids, and their brothers, the katydid-nots.—Clarence Schmidt, San Diego Union-Tribune, 15 July 2025 See All Example Sentences for katydid
: any of various large green American grasshoppers with very long antennae and males that make a high-pitched noise using sound-producing organs on the forewings
Etymology
imitation
Word Origin
Some animal names have been created through imitation of the sounds the animals make. The name katydid is an example of this process. These insects were given this name because the noise they make was thought of as sounding like "Katy-did, Katy-didn't" repeated over and over.