(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'

(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'

lacking in power or forcefulness; an ineffectual ruler; like an unable phoenix in hot ashes

[ Syn: ineffective , ineffectual ]