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So instead of serving your family, friends and even co-workers outdated, calorie-laden foods, treat them to this new cuisine.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

Workers are understandably stressed over their employers investing billions into AI, as layoffs sweep tech companies, and AI agents are positioned as humans’ new coworkers. —Emma Burleigh, Fortune, 1 Apr. 2026

Every coworker has your personal phone number. —Jason Phillips, USA Today, 1 Apr. 2026

This could be along the lines of a passive-aggressive email or a coworker misunderstanding your tone. —Valerie Mesa, PEOPLE, 1 Apr. 2026

The movie follows Apple (Lili Reinhart), who leads a secret witch cult with coworkers Cherry (Pedretti) and Fig (Alexandra Shipp) at a mall store. —Carly Thomas, HollywoodReporter, 27 Mar. 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