1 : lacking strength; "a weak, nerveless fool, devoid of energy and promptitude"- Nathaniel Hawthorne
2 : lacking bodily or muscular strength or vitality; "a feeble old woman"; "her body looked sapless"
3 : pathetically lacking in force or effectiveness; "a feeble excuse"; "a lame argument"
4 : 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"
