1 : lacking vigor or energy; "an anemic attempt to hit the baseball"
2 : 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"
3 : lacking in vitality or interest or effectiveness; "a pale rendition of the aria"; "pale prose with the faint sweetness of lavender"; "a pallid performance"
4 : abnormally deficient in color as suggesting physical or emotional distress; "the pallid face of the invalid"; "her wan face suddenly flushed"
