asinine

As if to punctuate his asinine decision, Marin makes a braying donkey noise.

The story struck the FBI as asinine — agents just did not act that way — but could it be disproved?

He never quite gets around to addressing the grief that people might feel if a family member dies to prove some asinine theological point; he considers that to be "disastrous sentimentalism."

“Playing a national championship on a Monday night on January 20 is one of the most asinine things I’ve ever seen in my life,” he said.

I smiled politely; I found the remark asinine; I resolved to work it into conversation as soon as possible.