LEARNit Dictionary
ineffectual
adjective
/ˌɪnɪˈfektʃuəl/
UK
/ˌɪnɪˈfektʃuəl/
US
1
without the ability to achieve much; weak; not achieving what you want to
بیاثر, بیخاصیت, بیثمر, بیفایده, نامؤثر