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English definition of “co-worker”

co-worker

noun [C] ( US also coworker)     /ˌkəʊˈwɜːkər/
WORKPLACE a person who you work with, especially someone with a similar job or level of responsibility: American workers in recent years have seen their co-workers laid off or downsized out of jobs.
(Definition of co-worker noun from the Cambridge Business English Dictionary © Cambridge University Press)
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