Colleague
Definition 1 of 1
Pro Tip 1/3
Workplace Specific
Use 'colleague' for someone you work with, primarily in professional or formal job settings. I'm meeting my colleague to discuss the project after lunch.
Pro Tip 2/3
Not Friendship
'Colleague' usually implies a working relationship, not necessarily a personal friendship. Although she's my colleague, I don't know much about her personal life.
Pro Tip 3/3
Same Level
A 'colleague' generally means someone at the same level or rank, rather than a superior or subordinate. My colleague and I have similar tasks in the department.