Not having the necessary means or skill or know-how to do something.
lacking in power or forcefulness; "an ineffectual ruler"; "like an unable phoenix in hot ashes"
(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"
(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'') 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') not having the necessary means or skill or know-how
(usually followed by `to') lacking necessary physical or mental ability