The phrase "absurd affair" is correct and usable in written English.
It can be used to describe a situation or event that is ridiculous or nonsensical in nature.
Example: "The whole event turned into an absurd affair, with unexpected mishaps and chaotic moments that left everyone bewildered."
Alternatives: "ridiculous situation" or "nonsensical event".
Before they know it, they've embarked on a delightfully absurd affair.
Impulsively, she arranges to meet F. Scott, and the two begin an unlikely — and at times absurd — affair, which threatens Louise's friendships and perhaps her job.
The mission is depicted as a hopelessly absurd affair in which the Americans' main objective was (despite their good intentions) not to stop brutality but to protect themselves.
Though the truth of the entire absurd affair came out, the case had already scandalized both public and the court.
Although we are meant to see Violet at her nadir, it is difficult to imagine the weepy, listless, self-pitying woman who rationalizes her way through the most absurd affair on record as a writer, much less a once-successful television writer.
Being a college student with little idea of what the future holds, seeing our nation polarized on absurd affairs has me reeling back into my safe bubble of affirmative action and ramen.
Punch magazine thought the whole affair absurd, and doubted the banquet's "mixture of messes" could promote health.
In the Washington region, drone policing can be an absurd and disturbing affair, as efforts to deal with brazen and sometimes comical behavior are colored by a post-9/11 sense that potent attacks could come at any moment.
Richardson, who has retired after 30 years' service as a Metropolitan police constable, said it was absurd that the affair had led to Mitchell resigning from government and to a series of officers being sacked or otherwise disciplined, some for passing information to the media.
This is an absurd state of affairs.
This is an unhealthy and indeed absurd state of affairs.
