Antonyms for ineffective

Antonyms of adj ineffective

3 senses of ineffective

Sense 1:

ineffective (vs. effective), uneffective, ineffectual

effective (vs. ineffective), effectual, efficacious
hard-hitting, trenchantimpellingimpressive, tellingrough-and-ready

Sense 2:

ineffective, ineffectual, unable

INDIRECT (VIA impotent) -> potent, strong, stiff

Sense 3:

ineffective, inefficient

INDIRECT (VIA incompetent) -> competent