faint

(noun) a spontaneous loss of consciousness caused by insufficient blood to the brain. Synonyms: swoon, syncope, deliquium.

(verb) pass out from weakness, physical or emotional distress due to a loss of blood supply to the brain. Synonyms: conk, swoon, pass out.

(adj) deficient in magnitude; barely perceptible; lacking clarity or brightness or loudness etc. Synonyms: weak. Examples: "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."

(adj) lacking clarity or distinctness. Synonyms: dim, shadowy, vague, wispy. Examples: "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."

(adj) lacking strength or vigor. Synonyms: feeble. Examples: "Damning with faint praise." "Faint resistance." "Feeble efforts." "A feeble voice."

(adj) weak and likely to lose consciousness. Synonyms: light, swooning, light-headed, lightheaded. Examples: "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."

(adj) indistinctly understood or felt or perceived. Examples: "A faint clue to the origin of the mystery." "Haven't the faintest idea."

(adj) lacking conviction or boldness or courage. Synonyms: fainthearted, timid, faint-hearted. Examples: "Faint heart ne'er won fair lady."