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

Oriental and American cockroaches often come in through gaps under doors and through openings around utility pipes and drains. — Faith Wakefield, USA Today, 16 July 2026

Additionally, dirty dishes in the sink, pet food left out overnight, or overflowing garbage all provide reliable food sources that attract pests like ants, flies, cockroaches, and rodents. — Rae Ford, Martha Stewart, 14 July 2026

Together, those parts keep water out while sending oxygen directly to the cockroach's breathing openings. — Kurt Knutsson, FOXNews.com, 12 July 2026

Two Sacramento-area eateries were temporarily shut down by county health inspectors after violations including a cockroach infestation, a clogged sink and a non-flushing toilet. — Ruyuan Li. Summary Produced By Ai Assistance, Sacbee.com, 10 July 2026

Word History

Etymology

by folk etymology from Spanish cucaracha cockroach

First Known Use

1616, in the meaning defined above

Phrases Containing cockroach

• German cockroach

Rhymes for cockroach

• approach
• encroach
• reproach
• stagecoach
• broach
• coach
• loach
• poach
• roach
• roche

Kids 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