Un·a·ble a. Not able; not having sufficient strength, means, knowledge, skill, or the like; impotent; weak; helpless; incapable; -- now usually followed by an infinitive or an adverbial phrase; as, unable for work; unable to bear fatigue.
Sapless age and weak unable limbs. --Shak.
adj 1: (usually followed by `to') not having the necessary means or
skill or know-how; "unable to get to town without a
car"; "unable to obtain funds" [syn: not able] [ant:
2: (usually followed by `to') lacking necessary physical or
mental ability; "dyslexics are unable to learn to read
adequately"; "the sun was unable to melt enough snow"
3: lacking in power or forcefulness; "an ineffectual ruler";
"like an unable phoenix in hot ashes" [syn: ineffective,