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So instead of serving your family, friends and even co-workers outdated, calorie-laden foods, treat them to this new cuisine.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

Today hosts Savannah Guthrie and Al Roker, who have hosted the parade for 14 and 30 years respectively, are back for another year, joined by their former coworker Hoda Kotb. —Kara Nesvig, Parents, 26 Nov. 2025

After a bit of persuading, my coworkers caved and tried it. —Alaina Chou, Bon Appetit Magazine, 25 Nov. 2025

If one of your coworkers happens to have some fur, the WOOF Pupsicle is a great gift idea (and, honestly, the whole office will benefit from it). —Jessie Quinn, StyleCaster, 25 Nov. 2025

According to the findings, 76% of the executives surveyed view agentic AI as more like a coworker than a tool. —Sheryl Estrada, Fortune, 24 Nov. 2025

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