Upsetting

She found confrontations very upsetting.

That's upsetting.

You're upsetting Tom.

You're upsetting me!

Earlier in the chat, I was being rather brash, upsetting and emotional and whatnot. I am sorry, and I'm sure I hurt your feelings quite a bit. I would like to apologize for this. I understand that I can be rather close-minded at times, and I know that I get rather upset about trivial things and certainly about hot topics.

To a large degree, human activity has contributed to upsetting nature's balances.

I don't like upsetting people.

Well, that's upsetting.

I know this is an upsetting time for you both.

Would you please stop upsetting Tom?

the upsettings of all their careful plans

He found taking his cat to the vet to be put down very upsetting.

The bodies lying at the scene of the crash were an upsetting sight.