The phrase "unwarranted conclusion" is correct and commonly used in written English.
It refers to a decision or judgment that is made without sufficient evidence or justification. Example: The prosecutor's unwarranted conclusion that the defendant was guilty led to an unfair trial. In this sentence, the word "unwarranted" suggests that there was no valid reason or evidence for the prosecutor's conclusion about the defendant's guilt. This phrase can be used in any situation where a conclusion or decision is made without proper basis.
He said he thought the critics had jumped to an unwarranted conclusion that teaching the craft would be supplanted by other topics.
A medical examiner leaped to an unwarranted conclusion, a man with a criminal record was targeted, an overzealous prosecutor overreacted under pressure.
But before you leap to the unwarranted conclusion that you have been duped once again by the health police, a closer look at the effects of sunlight on skin and the effectiveness and proper use of sunscreens is in order.
However, The Deeper Genome misses the opportunity of being the book that fills that gap, by making the unwarranted conclusion that all of the genome is functional its core message, and overhyping the importance of the findings it discusses.
But then, retreating somewhat from this bizarre and unwarranted conclusion, Wittgenstein wished to exclude certain functions, particularly functions on propositions or related entities, from the doctrine; these favoured functions he calls 'operators' (5.251).
It may suit Dr. Rae's purposes to insist upon the tragical termination of cannibalism to the career of the Franklin party, but we well remember the burst of incredulity, mingled with disgust, which was felt by the public when Dr. Rae's unwarranted conclusion from third-hand Esquimaux evidence was published.
They bemoan how people misunderstand the subtleties and draw unwarranted conclusions.
Experts make the best victims because they jump to unwarranted conclusions.
The reasons for the collapse are clearly complex, however, I reject the unwarranted conclusions the Committees have reached concerning my role at the company.
"If we publish the results piecemeal, other people might draw unwarranted conclusions from partial data and we don't want consumers being misled or confused".
But he rejected the "unwarranted conclusions" of the committees regarding his role in the company, saying comments had been "misattributed to me".
