Clear-cut evidence of wrongdoing.
It looks like a simple enough problem, but the answer might not be as clear cut as you suppose.
Medicine is not clear-cut; there are many gray areas.
clear-cut conclusion should be presented.
Regardless of who may have precipitated the end of the relationship, the question of who gets the engagement ring is not as clear-cut as it may seem.
While there are a number valid arguments in favor of school uniforms, the issue of whether or not they should be required is not a clear-cut matter.
Out of this mist of contradictions scholastic thought strove to emerge by means of clear-cut definitions.