Synonyms to unnecessary

baseless, bottomless, built on sand, empty, false, gratuitous, groundless, idle, ill-founded, indefensible, needless, not well-founded, pointless, reasonless, senseless, unbased, uncalled-for, unfounded, ungrounded, unjustifiable, unneeded, unsolid, unsupportable, unsupported, unsustainable, unsustained, untenable, unwarranted, vain, without basis, without foundation, wrong, tautologous, abundant, battological, copious, de trop, diffuse, diffusive, dispensable, duplicative, echoic, echoing, effusive, excess, expendable, expletive, extravagant, exuberant, fecund, formless, gushing, gushy, imitative, in excess, iterative, nonessential, overflowing, parrotlike, pleonastic, prodigal, productive, profuse, profusive, prolific, prolix, recapitulative, redundant, reduplicative, reechoing, reiterant, reiterative, repeating, repetitional, repetitionary, repetitious, repetitive, spare, superabundant, supererogatory, superfluous, tautologic, tautological, teeming, to spare, unessential, verbose, expletiv