faint

a spontaneous loss of consciousness caused by insufficient blood to the brain

pass out from weakness, physical or emotional distress due to a loss of blood supply to the brain

deficient in magnitude; barely perceptible; lacking clarity or brightness or loudness etc; "a faint outline"; "the wan sun cast faint shadows"; "the faint light of a distant candle"; "weak colors"; "a faint hissing sound"; "a faint aroma"; "a weak pulse"

lacking clarity or distinctness; "a dim figure in the distance"; "only a faint recollection"; "shadowy figures in the gloom"; "saw a vague outline of a building through the fog"; "a few wispy memories of childhood"

lacking strength or vigor; "damning with faint praise"; "faint resistance"; "feeble efforts"; "a feeble voice"

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"

indistinctly understood or felt or perceived; "a faint clue to the origin of the mystery"; "haven't the faintest idea"

lacking conviction or boldness or courage; "faint heart ne'er won fair lady"