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So instead of serving your family, friends and even co-workers outdated, calorie-laden foods, treat them to this new cuisine.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

Whatever his contemporaries thought of Melville’s prose, at least his coworkers respected his dedication and honesty, the later a rare commodity in government work during the late nineteenth-century. —Literary Hub, 14 Jan. 2026

In a now-viral video shared to her TikTok, employee Heidi Paniagua captured the moment the rest of her staff surprised their coworker Norman with some life-changing news. —Hannah Sacks, PEOPLE, 14 Jan. 2026

As part of her job, Lipuo motivated her coworkers to get tested for HIV and take preventative measures to avoid infection. —Majirata Latela, The Dial, 13 Jan. 2026

In the book, Poppy doesn’t run after Alex, but finds him in the local dive bar and confesses her love in front of all his coworkers. —Ashley Boucher, Entertainment Weekly, 9 Jan. 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