ineffective

US /ˌɪn.ɪˈfek.tɪv/
UK /ˌɪn.ɪˈfek.tɪv/
"ineffective" picture
1.

ineficaz, ineficiente

not producing any significant or desired effect

:
The new policy proved to be ineffective in reducing crime.
A nova política provou ser ineficaz na redução do crime.
His efforts to persuade her were completely ineffective.
Seus esforços para persuadi-la foram completamente ineficazes.