air-headed

he's so air-headed, he forgot his keys again.

don't expect her to understand; she's completely air-headed.

the air-headed waitress mixed up our orders.

she gave an air-headed answer to a serious question.

he's an air-headed student who never studies.

despite her air-headedness, she's good-hearted.

an air-headed decision led to disastrous consequences.

i warned him about the risks, but he's too air-headed to care.

she's an air-headed blonde stereotype, unfortunately.

his air-headed comments often embarrass his colleagues.

she's air-headed but manages to get by.