Here's what rhymes with unadjustive.
combustive Words that almost rhyme with unadjustive
injustice muftis ablative irruptive productive inductive seductive unproductive conductive eruptive appositive assumptive mutative constructive instructive compulsive disruptive impulsive obstructive repulsive subjunctive locative fricative nonproductive propulsive vocative lenitive destructive reproductive transitive convulsive presumptive consumptive disjunctive nondestructive reconstructive counterproductive proliferative superconductive nonconstructive