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

An inspector observed a live cockroach. —Lillie Davidson, Fort Worth Star-Telegram, 24 May 2026

The spiny, long-legged, and often reviled cockroach has become an unlikely symbol of dissent among India’s Gen Z, in a sharp rebuke to the ruling establishment in the world’s largest democracy. —Rhea Mogul, CNN Money, 22 May 2026

Violations at other establishments included cockroach infestations, improper food storage and missing food handler certifications. —Sacbee.com, 22 May 2026

Despite the mothballed plant's handsome brick exterior, inside it's filled with rattling pipes, hazard signs and cockroach carcasses. —Ishan Thakore, NPR, 20 May 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