Sicken (verb)

1. To make (someone) feel sick or unwell.
2. To cause (something) to feel distasteful or unacceptable.

Origin:

Middle english (in the sense "make weak or ill"): from old english sēcan "afflict, torment", of germanic origin; related to dutch ziek "sick", also to seek.

Examples:

1. The smell of rotting fish sicken me.
2. The sight of so much suffering sickened him.
3. I was sickened by the thought of what they had done.
4. The news of her death sickened me.
5. The thought of eating that sicken me.