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So instead of serving your family, friends and even co-workers outdated, calorie-laden foods, treat them to this new cuisine.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

In the company cafeteria, Hara watched as his coworkers squared off over a game of Go, a board game played with black and white stones on a grid. — HubSpot, 1 Oct. 2026

The coworker still matters At work, practice and feedback can come through everyday conversations and interactions with colleagues. — Tatiana Sataua, Fortune, 1 Oct. 2026

The officers walked over to the man and told him to place his hands behind his back, slapping him in cuffs in front of customers and coworkers. — Kate Payne, Miami Herald, 30 Sep. 2026

In the first episode, Prue will sit down with comedians Hope Carew and Andrew Stier to explore topics ranging from spreading the gay agenda through football to Thanksgiving nudism and how best to blackmail coworkers. — Matt Grobar, Deadline, 29 Sep. 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