doltish

/ˈdoʊltɪʃ/
adjective
  1. Stupid or foolish in behavior or appearance.
    • The plan was so doltish that everyone laughed when they heard it.
    • She regretted her doltish comment as soon as she said it.
    • His doltish grin made it clear he had no idea what was going on.
Antonyms
What does "doltish" mean? | whatsthatwordmean | whatsthatwordmean