Here's what rhymes with unappreciative.
appreciative native dative creative radiative associative iterative dissociative procreative nonnative legislative innovative imitative oxidative vegetative deliberative educative dissipative evaporative denotative annotative cooperative authoritative collaborative evaluative manipulative meditative regulative connotative copulative cogitative emulative administrative qualitative integrative interpretative rehabilitative accumulative stimulative quantitative investigative nonadministrative Words that almost rhyme with unappreciative
cages sages rages phages wadis wadges engages mutatis bellyaches reengages greengages macrophages disengages evasive plaintive invasive persuasive pervasive abrasive dissuasive unpersuasive nonabrasive noninvasive