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So instead of serving your family, friends and even co-workers outdated, calorie-laden foods, treat them to this new cuisine.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

Video surveillance showed the 47-year-old Lopez leaving work at one of the taco stands with her coworker, Sandra Romo Diaz. — James Queally, Los Angeles Times, 8 July 2026

The physical danger from robot coworkers has been made clear since January 25, 1979, when 25-year-old Robert Nicholas Williams was crushed and killed by a 1-ton robotic vehicle’s arm inside a Ford Motor Company factory in Flat Rock, Michigan. — Jeremy Hsu, ArsTechnica, 7 July 2026

Participants gain real-world experience in agriculture, hospitality, customer service and food preparation — all while honing their ability to communicate in English with customers and coworkers. — Madeleine Kashkooli, San Diego Union-Tribune, 6 July 2026

Introductions that once happened through coworkers, neighbors, church groups, or mutual friends now often begin with profiles and messages. — Matthew Kayser updated July 6, Miami Herald, 6 July 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