- [adjective] (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"
Synonyms: not able
- [adjective] (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"
- [adjective] lacking in power or forcefulness; "an ineffectual ruler"; "like an unable phoenix in hot ashes"
Synonyms: ineffective, ineffectual