How can I address ongoing dissatisfaction with a colleague professionally?

Ongoing friction with a colleague can wear you down, and it is completely understandable to want a way forward that protects both your well-being and a professional environment. You do not have to ignore the problem or escalate it immediately. The most constructive path usually starts with clarifying what is actually happening, then addressing it in a calm, specific, and work-focused way.

Begin by defining the issue in concrete terms rather than as a personality clash. Note patterns you can describe without blame: missed handoffs, conflicting priorities, tone in meetings, or repeated last-minute changes. Separate facts from assumptions. Before any conversation, decide what outcome you need for the work to succeed—clearer ownership, earlier notice, different communication channels, or fewer side conversations. That outcome becomes your agenda, which keeps the discussion professional and harder to turn personal.

When you are ready to talk, choose a private setting and a time when neither of you is rushed. Use neutral language that focuses on impact and collaboration. For example: “When the project plan changes without notice, I end up redoing work and miss my deadline. Can we agree on a quick check-in before major changes?” Listen to their perspective; they may be under different pressures or unaware of the effect. Aim for a small, testable agreement—who does what, by when, and how you will communicate—rather than trying to “fix” the whole relationship in one sitting. Follow up with a brief written summary of what you both agreed so expectations stay clear.

If direct conversation does not improve things after a fair attempt, document key incidents and impacts on deliverables, then involve your manager or HR using the same factual, solution-oriented frame. Frame it as a request for help resolving a work process or collaboration barrier, not as a character complaint. In parallel, protect your own boundaries: keep communication written when needed, stay civil in shared spaces, and avoid recruiting allies into private conflict. Results vary by person, team culture, and company process, so adapt the pace and formality to your workplace. The goal is not to win against a colleague, but to restore enough professionalism that you can do your job well and keep the environment workable for everyone involved.