What is the meaning of 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

adjective

• Deficient in magnitude; barely perceptible; lacking clarity or brightness or loudness etc.
  • usage: "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"
  • synonyms: weak
• Lacking clarity or distinctness.
  • usage: "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"
  • synonyms: dim, shadowy, vague, wispy
• Lacking strength or vigor.
  • usage: "damning with faint praise"; "faint resistance"; "feeble efforts"; "a feeble voice"
  • synonyms: feeble
• Weak and likely to lose consciousness.
  • usage: "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"
  • synonyms: light, swooning, light-headed, lightheaded
• Indistinctly understood or felt or perceived.
  • usage: "a faint clue to the origin of the mystery"; "haven't the faintest idea"
• Lacking conviction or boldness or courage.
  • usage: "faint heart ne'er won fair lady"
  • synonyms: fainthearted, timid, faint-hearted