The act of fainting, syncope.

“She suffered another faint.”

The state of one who has fainted; a swoon.

(of a being) Lacking strength; weak; languid; inclined to lose consciousness

“I felt faint after my fifth gin and tonic.”

Lacking courage, spirit, or energy; cowardly; dejected

Barely perceptible; not bright, or loud, or sharp

“There was a faint red light in the distance.”