cockroach
noun
cock·roach
ˈkäk-ˌrōch 
: 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
Inspectors observed a dead cockroach in the corner of the walk-in cooler.
—
Shambhavi Rimal,
Fort Worth Star-Telegram,
3 July 2026
General pest control services come quarterly and treat more than 20 common household pests, like ants, cockroaches, beetles, fleas, ticks and more.
—
Alora Bopray,
USA Today,
1 July 2026
Perhaps a part-robot, part-insect giant cockroach capable of diving underwater for as much as three hours at a time.
—
Jackie Flynn Mogensen,
Scientific American,
1 July 2026
Worms, frogs, crayfish, insects such as grubs, cockroaches and beetles, snakes, birds, mice, fruit, nuts, pet food, and compost are all on the menu for opossums.
—
Arricca Elin Sansone,
Southern Living,
1 July 2026
See All Example Sentences for cockroach
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Shambhavi Rimal,
Fort Worth Star-Telegram,
3 July 2026
General pest control services come quarterly and treat more than 20 common household pests, like ants, cockroaches, beetles, fleas, ticks and more.
—
Alora Bopray,
USA Today,
1 July 2026
Perhaps a part-robot, part-insect giant cockroach capable of diving underwater for as much as three hours at a time.
—
Jackie Flynn Mogensen,
Scientific American,
1 July 2026
Worms, frogs, crayfish, insects such as grubs, cockroaches and beetles, snakes, birds, mice, fruit, nuts, pet food, and compost are all on the menu for opossums.
—
Arricca Elin Sansone,
Southern Living,
1 July 2026
See All Example Sentences for cockroach
Cite this Entry
“Cockroach.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cockroach. Accessed 4 Jul. 2026.
Copy CitationKids Definition
cockroach
noun
cock·roach
-ˌrōch
: 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
: 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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