Definition of collaborator
: a person who collaborates with another: such as
a
: someone who works with another person or group
With our students and collaborators, we have developed … a tool that couples a video camera with specialized computation.— Frédo Durand et al.
b
: someone who assists an enemy (such as an invader or part of an occupying force)
… the Germans had allies and collaborators who, whether from conviction or perceived necessity, sought a privileged place in Hitler's New Order.— Robert Skidelsky
Test Your Vocabulary
Odd Habits and Quirks
-
- Which of the following best describes an easily irritated person?

Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share collaborator
Time Traveler for collaborator
The first known use of collaborator was in 1802
See more words from the same year