Definition: lacking strength
Usage: a weak, nerveless fool, devoid of energy and promptitude- Nathaniel Hawthorne
Similar words: powerless
Definition: lacking power
Synonyms: feeble, weak, weakly, sapless, rickety, infirm, debile, decrepit
Definition: lacking bodily or muscular strength or vitality
Usage: a feeble old woman; her body looked sapless
Definition: lacking strength or vigor
Usage: damning with faint praise; faint resistance; feeble efforts; a feeble voice
Definition: pathetically lacking in force or effectiveness
Usage: a feeble excuse; a lame argument