nonsensical

adj

1. Without sense; absurd.

   “Well, her very foolish grandmother has mixed herself up in some nonsensical correspondence with the court of St. Germains; or, rather, has let herself be made a tool by Mr. Trevanion, who, I am happy to say, is not Ethel's husband; they arrested him just in time.”

   “President Donald Trump’s presidential memorandum ordering an investigation of Joe Biden’s cognitive decline and his use of the autopen […] is also nonsensical fan service, amplifying addled MAGA conspiracy theories that contend, with a straight face, that Biden was really a robotic clone.”

   “Conspiracy theories have become so mainstream that they are even prompting nonsensical legislation. Earlier this month, Louisiana lawmakers sent a bill to the state’s governor seeking to ban “chemtrails” – which don’t actually exist.”