cockroach

noun

cock·​roach ˈkäk-ˌrōch How to pronounce cockroach (audio)
: any of an order or suborder (Blattodea synonym Blattaria) of chiefly nocturnal insects including some that are domestic pests compare german cockroach

Examples of cockroach 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.
One filled with phone booths and newsstands and Gray’s Papaya on practically every grimy street corner — a New York where getting your bicycle ripped off was almost as much a rite of passage as stomping on your first cockroach. Benjamin Svetkey, HollywoodReporter, 5 Mar. 2026 Inspectors located several dead cockroaches in a sump pump room in basement prep area, as well as one dead roach and potentially a live roach in the main kitchen, according to the health department. Kelli Arseneau, jsonline.com, 3 Mar. 2026 Inspectors found dead cockroaches in the corners of a back storage area and underneath a three-compartment sink. Lillie Davidson, Fort Worth Star-Telegram, 28 Feb. 2026 Meanwhile, 19 eateries received yellow placards for health code violations ranging from dying cockroaches to pink slime in the soda gun nozzle. Veronica Fernandez-Alvarado, Sacbee.com, 27 Feb. 2026 See All Example Sentences for cockroach

Word History

Etymology

by folk etymology from Spanish cucaracha cockroach

First Known Use

1616, in the meaning defined above

Time Traveler
The first known use of cockroach was in 1616

Cite this Entry

“Cockroach.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cockroach. Accessed 7 Mar. 2026.

Kids Definition

cockroach

noun
cock·​roach -ˌrōch How to pronounce cockroach (audio)
: any of an order of quick-moving insects that have long antennae and leathery forewings, are mainly nocturnal, and include pests of human dwellings

Medical Definition

cockroach

noun
cock·​roach ˈkäk-ˌrōch How to pronounce cockroach (audio)
: any of an order or suborder (Blattodea synonym Blattaria) of chiefly nocturnal insects including some that are domestic pests see blatta, blattella, periplaneta

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