DictionarycolleagueProfessional associate
noun

colleague

KAH-leeg/ˈkɑːliːɡ/

A person one works with professionally.

The engineer shares tools with a colleague as they work on the mechanical assembly.

Two contemporary engineers work together over an open mechanical assembly, sharing tools and responsibility.
Etymology

Together with being sent on a commission gives the idea of someone chosen to work alongside another. The original partner in office became an associate in employment or professional work.

In context

New America45:18
you know maybe South Sudan because we have a colleague here at new America Justin Lynch who has been writing quite a bit
After Aleppo: Prospects for Preventing Mass Atrocities in the Trump Administration

More examples

  • My colleagues and I share ideas at our weekly meeting.
  • She introduces me to a colleague from another department.
  • He still keeps in touch with former colleagues.

Forms

colleague · colleagues

collegial adjective — Showing cooperation and respect among colleagues.

Similar words

coworker
Often emphasizes a shared workplace rather than professional standing.
associate
May describe a business connection without a shared workplace.