American English

Definition of ineffectual adjective from the Oxford Advanced American Dictionary

 

ineffectual

 adjective
adjective
NAmE//ˌɪnɪˈfɛktʃuəl//
 
(formal)
 
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without the ability to achieve much; weak; not achieving what you want to an ineffectual teacher an ineffectual attempt to reform the law
ineffectually
 
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adverb
See the Oxford Advanced Learner's Dictionary entry: ineffectual