'clear cut way' is correct and usable in written English.
You can use it to refer to a simple and definite course of action or solution. For example: "We need to find a clear cut way to solve this problem."
There just is no clear cut way to map our social classifications of race onto a meaningful biological category.
But even with those, there doesn't seem to be a clear cut way to start making real money without pouring a ton more in.
The allelic and paralogous differences between the gene segments are very close and there is no clear cut way to distinguish between these two types of sequences.
I think we've all learnt over the last year, you know, what, what we're trying to do and how, and how we're trying to do it in a bit more of a clear cut way.
We decided to use this distinction although it cannot be applied to all placebo interventions in a clear cut way – for instance, diagnostic placebo interventions cannot easily be attributed to either category.
"It is not a 'war' which you win or lose in some clear and clean-cut way.
The Whitney's architecture, like America, is hard to see in any decisive, clear-cut way.
As Joseph Carlton's case shows, not all male victims fail to conform, in any clear-cut way, to their harassers' norms of masculinity.
Romer continued, "Stores are supposed to have recycling bins for plastic bags, by New York State law, but that's kind of ridiculous, because there's no clear-cut way to determine what happens to those bags afterward.
"We know the drug companies are throwing huge amounts of money at medical researchers, and there's no clear-cut way to know how much and exactly where," Mr. Grassley said.
But it has never been so apparent in such a clear-cut way on television, a result of market forces and partisan sensibilities that are further chipping away at the post-Watergate pre-eminence of a more dispassionate approach.
