Synonym of UNCONSCIONABLE

Answer: Option C

Distasteful : causing dislike or aversion; disagreeable or unpleasant.
Unmanageable : difficult or impossible to manage, manipulate, or control.
Excessive : more than is necessary, normal, or desirable; immoderate.
Unmindful : not conscious or aware.
Unconscionable : unreasonably excessive.

Synonym of Unconscionable is Excessive