airheaded

/ˈɛrˌhɛdɪd/
adjective
  1. Silly, forgetful, or not very intelligent; lacking common sense.
    • I feel airheaded when I forget simple things like my own phone number.
    • His airheaded comments made everyone laugh during the meeting.
    • She's so airheaded that she walked into the wrong classroom.
Antonyms
What does "airheaded" mean? | whatsthatwordmean | whatsthatwordmean