noneffective

adjective

non·​ef·​fec·​tive ˌnän-i-ˈfek-tiv 

-e-,

-ē-,

-ə-

: not effective

especially : not producing an intended or desired effect

noneffective government programs

noneffective leaders

noneffective classroom instruction

noneffectively adverb

noneffectiveness noun

Word History

First Known Use

1781, in the meaning defined above