brainless

/ˈbreɪnləs/
adjective
  1. Stupid or lacking intelligence; showing a lack of good sense.
    • Only a brainless person would leave their keys in the car.
    • The movie was fun but completely brainless.
    • He made a brainless comment during the meeting.
What does "brainless" mean? | whatsthatwordmean | whatsthatwordmean