adverse, averse

Adverse or adverse means unfavorable or opposing --
They labored under adverse conditions, but finished the job on time and under budget.
An adverse wind kept them out longer than expected.

Averse or averse means a feeling of repugnance or dislike --
He has always been averse to incivility of any kind.
Do you think he'd be averse to a friendly game?

Now that you know that, you can say --
"He is averse to cutting corners or taking shortcuts, even in adverse circumstances."

Note --"averse" and "adverse" are also botanical ( plants ) terms.
In botany, adverse describes leaves that are turned to the axis, and averse describes leaves that are turned away from the axis. 
Label each plant "averse" or "adverse", depending on whether the leaves turn in or out.