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So instead of serving your family, friends and even co-workers outdated, calorie-laden foods, treat them to this new cuisine.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

The couple’s 6-year-old son had been with a sitter, said a coworker of Garcia’s. — Martin Goillandeau, CNN Money, 20 Aug. 2026

It was later discovered that McGrath allegedly used the Flock Safety system to track a coworker for an unauthorized personal purpose, the office said. — Jeramie Bizzle, CBS News, 20 Aug. 2026

Messages, calls, errands, or coworker questions may interrupt the system that keeps you steady. — Tarot.com, Hartford Courant, 19 Aug. 2026

Cars stopped, and his coworker was able to get the cat off the road. — Maddie Rhodes, USA Today, 17 Aug. 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