The phrase "considerably less clear" is correct and usable in written English.
You can use it to indicate a significant decrease in clarity or lucidity. For example, "When he tried to explain the situation again, his explanation was considerably less clear than before."
But whether that is an unalloyed blessing, they say, is considerably less clear.
But the examination also found cases in which the foreign-policy benefits were considerably less clear.
But now that the battle is over, their identities and the reasons for their choices are considerably less clear.
The average American's stake in all of this — or the average Canadian's, for that matter — is considerably less clear than the Trump administration's rhetoric would imply.
"Under these circumstances the forward guidance would be considerably less clear than calendar-based guidance, as outside observers would have difficulty determining when this wide-ranging set of labor market indicators would cause the committee to believe that rate hikes should begin," he wrote.
It is considerably less clear what these objects are and how it is that experience actualizes the relevant potentialities in the soul.
Against this background, Monday's "shock poll" seems rather less shocking – and possible conclusions from it look considerably less clear-cut.
But their illegality is considerably less clear-cut than that of the US-led invasion of Iraq, or of Afghanistan, where the UN security council only authorised the intervention several weeks after it had happened.
The lapse for which the senator berated Mr Alito was considerably less clear-cut.To avoid conflicts of interest, Judge Alito invests most of his savings in mutual funds, rather than individual firms that might appear before him.
"Need Your Love" ticks and claws like a Radiohead track, reaching its pleading chorus — "I need your love/I need to feel with you right now" — by way of considerably less clear-cut verses: Living in the depths of our constellation With saviors I've dared not see I'm living off of deprivation Tomorrow may not be.
The accountability of government, even in a well-developed democracy, is in reality considerably less acute, or certainly less clear, than that of companies to their shareholders or individuals to their various creditors.
