asinine

/ˈæsɪnaɪn/
adjective
  1. Extremely stupid or foolish.
    • It was an asinine decision to drive without a license.
    • His asinine comments during the meeting annoyed everyone.
    • She couldn't believe she had made such an asinine mistake.
Antonyms
What does "asinine" mean? | whatsthatwordmean | whatsthatwordmean