sicken
nauseate
turn one's stomach

Any food that was more than a few hours old had a way of turning her stomach.

What he saw turned his stomach, even after all these years.

It might turn one's stomach a bit, but I think this is the best we can do.

Still, even looking at the metal almost turned his stomach.

"The thought turns my stomach because that's telling the people they have no more life here."

A second later I would've been doing the same thing, but the idea of his taking the first risk turned my stomach.

The thought was enough to turn her stomach, but she made herself face it.

But it's probably going to turn your stomach, and the girls'.

What little there was to eat turned a man's stomach.

I wanted to ask, but was afraid the answer would turn my stomach.