Lightheaded in a sentence as an adjective

"I just had a 1 hour lecture and have a 2 hour lab class coming up. By hour 1 of that lab I'm going to be lightheaded.

It doesn't make you sleepy or slow or happy or numb or relaxed or lightheaded or anything like that.

She had other symptoms as well feeling lightheaded every time she stood, bleeding gums, and a very pale look.

Lightheaded definitions

adjective

weak and likely to lose consciousness; "suddenly felt faint from the pain"; "was sick and faint from hunger"; "felt light in the head"; "a swooning fit"; "light-headed with wine"; "light-headed from lack of sleep"

See also: faint light swooning light-headed

adjective

lacking seriousness; given to frivolity; "a dizzy blonde"; "light-headed teenagers"; "silly giggles"

See also: airheaded dizzy empty-headed featherbrained giddy light-headed silly