brainish
/ˈbreɪnɪʃ/
adjective
- Having or showing a quick, lively, or sometimes overly active mind; impulsive or hot-headed.
- The character in the play was known for his brainish temper and sudden outbursts.
- His brainish behavior often got him into trouble during meetings.
- She made a brainish decision to quit her job without having another one lined up.
Antonyms