adjective
averse
uh-VURS/əˈvɜːrs/
Strongly opposed to something or unwilling to do it.
She is averse to climbing and firmly refuses the offered harness.

Etymology
The pieces express being “turned away.” In this adjective, the turning is mental or emotional: someone averse to an activity turns away from it in feeling and is unwilling to engage in it.
In context
I still have the occasional Diet Coke, I'm not completely averse to drink something that has artificial sweetener.
More examples
- She was not averse to a change of plan.
- The committee seemed averse to public criticism.
- They remained averse to borrowing money.
Forms
averse · more averse · most averse
aversion noun — strong dislike or opposition