unable

English Thesaurus

1. (usually followed by `to') not having the necessary means or skill or know-how (adj.all)

attribute	:	ability,
definition	:	the quality of being able to perform; a quality that permits or facilitates achievement or accomplishment (noun.attribute)

2. (usually followed by `to') lacking necessary physical or mental ability (adj.all)

similar	:	incapable,
definition	:	(followed by `of') lacking capacity or ability (adj.all)

3. lacking in power or forcefulness (adj.all)

similar	:	impotent,
definition	:	lacking power or ability (adj.all)

4. (usually followed by `to') not having the necessary means or skill or know-how (adj.all)

antonym	:	able,
definition	:	(usually followed by `to') having the necessary means or skill or know-how or authority to do something (adj.all)

5. lacking in power or forcefulness (adj.all)

derivation	:	ineffectiveness, ineffectuality, ineffectualness,
definition	:	lacking the power to be effective (noun.attribute)

6. (usually followed by `to') not having the necessary means or skill or know-how (adj.all)

antonym	:	able,
definition	:	(usually followed by `to') having the necessary means or skill or know-how or authority to do something (adj.all)

7. lacking in power or forcefulness (adj.all)

derivation	:	ineffectiveness, ineffectuality, ineffectualness,
definition	:	lacking the power to be effective (noun.attribute)