1faint 
/ˈfeɪnt/ adjective
faint·er; faint·est /ˈfeɪnt/ adjective 1 : not clearly seen, heard, tasted, felt, etc.
▪ We heard a faint noise. ▪ a faint smell/odor/aroma ▪ the faint glow of a distant light ▪ There was a faint smile on her lips. ▪ a faint [=weak] radio signal 2 : very slight or small
▪ There's just a faint chance/possibility that the weather will improve by tomorrow. ▪ a faint hope ▪ a faint reminder of their former greatness ▪ He didn't have the faintest idea/notion what she was talking about. [=he did not know what she was talking about] ▪ She showed not the faintest interest in him. [=she showed no interest at all in him] 3 not used before a noun : weak and dizzy
▪ I'd better lie down; I feel faint. ▪ She felt faint from/with hunger.
▪ We heard a faint noise. ▪ a faint smell/odor/aroma ▪ the faint glow of a distant light ▪ There was a faint smile on her lips. ▪ a faint [=weak] radio signal
▪ There's just a faint chance/possibility that the weather will improve by tomorrow. ▪ a faint hope ▪ a faint reminder of their former greatness ▪ He didn't have the faintest idea/notion what she was talking about. [=he did not know what she was talking about] ▪ She showed not the faintest interest in him. [=she showed no interest at all in him]
▪ I'd better lie down; I feel faint. ▪ She felt faint from/with hunger.
damn with faint praise — see 2damn
faint of heart
: lacking the courage to face something difficult or dangerous — usually used in the phrase not for the faint of heart ▪ This is a difficult climb that is not for the faint of heart. — see also fainthearted
— faint·ly adverb
▪ He was smiling faintly. ▪ The room still smelled faintly of perfume. ▪ She looked faintly [=somewhat, slightly] familiar. ▪ He was faintly [=barely] aware of her presence.
▪ He was smiling faintly. ▪ The room still smelled faintly of perfume. ▪ She looked faintly [=somewhat, slightly] familiar. ▪ He was faintly [=barely] aware of her presence.
— faint·ness noun [noncount]
▪ the faintness of distant stars
▪ the faintness of distant stars
