- ineffective
- Synonyms and related words:abortive, aimless, barren, bootless, counterproductive, effete, emasculate, empty, etiolated, failed, failing, fatuitous, fatuous, featherweight, feckless, forceless, fruitless, futile, ill-qualified, impotent, inadequate, inane, incapable, incapable of, incompetent, ineffectual, inefficacious, inefficient, inept, inferior, inoperative, invalid, invertebrate, lame, lightweight, maladjusted, manque, meaningless, miscarried, miscarrying, no go, no-account, not equal to, not up to, nugacious, nugatory, of no account, of no effect, of no force, of no use, pointless, powerless, purposeless, spineless, sterile, stickit, stillborn, successless, superfluous, unable, unable to, unadapted, unadjusted, unauthoritative, unavailable, unavailing, unendowed, unequipped, unfit, unfitted, unfortunate, ungifted, unproductive, unqualified, unsuccessful, untalented, useless, vain, weak, without any weight, worthless
Moby Thesaurus. Grady Ward. 1996.