The phrase "absurd grounds" is correct and usable in written English.
It can be used to describe a situation or reasoning that is unreasonable or illogical.
Example: "The judge dismissed the case, stating that the plaintiff's claims were based on absurd grounds."
Alternatives: "ridiculous basis" or "unreasonable reasons".
Some challenged ODIHR's competence on the absurd grounds that only professional politicians can know how elections work.
Most recently, Republicans have long refused to pass renewal of the Violence Against Women Act, on the absurd grounds that it's unfair for non-Indian assailants to be prosecuted by tribal courts.
"Uzbek authorities repeatedly punish a wide variety of prisoners they see as potential government critics by arbitrarily extending their prison terms on often absurd grounds," said Brigitte Dufour, director of the International Partnership for Human Rights.
Some 97 journalists have also been imprisoned, many on similarly absurd grounds.Mr Erdoğan's increasingly authoritarian ways have prompted claims that his government has simply swapped places with the army.
To suppose otherwise, Rand holds to demand that consciousness, in order to be in contact with reality, must be purely passive and not involve any sort of processing is to object to consciousness on the absurd grounds that it has a specific identity and employs specific means, and thus, once again, to regard us as blind because we have eyes and deaf because we have ears.
That the government continues to ignore the Allen Carr method and pump hundreds of millions of pounds of taxpayers' money into the pockets of the pharmaceutical industry on the absurd ground that giving nicotine to nicotine addicts can help cure them of nicotine addiction is a national scandal.
The bill will face higher hurdles in the House, where Speaker John Boehner has reiterated his opposition to ENDA on the absurd ground that it will "cost American jobs, especially small business jobs," but the growing number of Republicans who are now embracing LGBT rights may eventually force Boehner - or his successor - to revise his stance.
Reynolds calls the story – in which he and Bateman switch bodies – "the most impossibly stupid premise" and "absurd in a grounded way".
Was Zimmerman a vigilante who took advantage of Florida's absurd "Stand Your Ground" law to shoot a young, innocent black boy for the crime of wearing a hoodie?
Riffing off canonical urban-crime dramas (Dog Day Afternoon, The French Connection, Heat), Nolan's second entry found a specific key for unlocking his absurdly broad (and just plain absurd) remit to ground Batman in realism: In the real world of big cities, the scariest crimes happen in broad daylight, with banks open, children in school buses, and hospitals packed.
Blair dismisses objections to ID cards on civil liberties grounds as "absurd".
