coworker

noun

co·​work·​er ˈkō-ˌwər-kər 

variants or co-worker

plural coworkers or co-workers

: one who works with another : a fellow worker

went out for drinks with her coworkers after work

So instead of serving your family, friends and even co-workers outdated, calorie-laden foods, treat them to this new cuisine.

—Charlotte Lyons

Synonyms of coworker

• colleague

Examples of coworker in a Sentence

my coworkers and I often send facetious e-mails to one another

Recent Examples on the Web

After he hadn’t been seen for a while, coworkers searched for him, eventually finding him at the bottom of the freight elevator shaft. — Kansas City Star, 23 July 2026

An inside man—a warehouse security guard—would drug the tea (or coffee) of his coworkers to knock them out. — Encyclopedia Britannica, 21 July 2026

Even coworkers who rarely spoke suddenly had opinions about formations and red card decisions. — Maria Santana, CNN Money, 21 July 2026

OpenAI is transforming ChatGPT into a digital coworker, Anthropic wants Claude orchestrating enterprise work, and Google continues weaving Gemini into business software. — Victor Dey, Forbes.com, 20 July 2026

Word History

First Known Use

1591, in the meaning defined above

Rhymes for coworker

• caseworker
• farmworker
• woodworker
• worker

Kids Definition

coworker

noun

co·​work·​er

ˈkō-ˌwər-kər

: a fellow worker