The phrase "absurd assertions" is correct and usable in written English.
It can be used to describe statements or claims that are unreasonable or nonsensical.
Example: "The politician's speech was filled with absurd assertions that lacked any factual basis."
Alternatives: "ridiculous claims" or "preposterous statements".
"I was surprised that no one from the British Council was prepared to rebut these absurd assertions".
In his ruling, the judge, Nicholas G. Garaufis of Brooklyn Federal Court, called the case an "ill-advised prosecution" that included "absurd assertions" and fanciful arguments.
As were the absurd assertions that then Assembly Speaker Fabian Nunez is a Communist fellow traveler.
It's time we refuse to give any credibility whatsoever to their absurd assertions that increasing taxes on the rich will slow the economy by punishing "job creators".
"These extremists created a fake business, made apparently misleading corporate filings and then used false government identifications to gain access to Planned Parenthood's medical and research staff with the agenda of secretly filming without consent," Richards also wrote, "then heavily edited the footage to make false and absurd assertions about our standards and services".
The true sceptic therefore takes pride in closed mindedness when presented with absurd assertions that contravene the laws of thermodynamics or deny progress in all branches of physics, chemistry, physiology and medicine.
But his absurd assertion that Mr. McCain has been "compelled" by the media to adopt this strategy doesn't pass the laugh test.
She refused to grant Jews any special status, even as victims, rejecting what she called the "absurd assertion of a kind of collective innocence of the Jewish people".
Kenneth Lewis, the Bank of America C.E.O., made the absurd assertion to Congress that his bank had "no authority" to stop the bonuses, even though he knew about them beforehand.
That was hardly the first time Mr. Mnuchin made that patently absurd assertion nor the only occasion on which he and other members of the Trump administration had similarly misled the public about the nature of the tax plan.
Whispered criticism of Twellman's game has zeroed in on his penchant for "only" scoring goals -- an absurd assertion in a game that can end the same way it began.
