light-headed
adjectiveUK /ˌlaɪtˈhedɪd/
US /ˌlaɪtˈhedɪd/
Feeling like you might fall down or that your head is floating.
I felt light-headed after standing up too fast.
OTHER MEANINGS
2. Feeling silly, happy, and not thinking seriously.
The kids were light-headed with excitement at the party.
3. Not serious or sensible in behavior.
His light-headed jokes annoyed the teacher.
4. Feeling a little confused or unable to think clearly.
The heat made her light-headed and forgetful.