Here's what rhymes with defintive.
Words that almost rhyme with defintive
hinges finches fringes binges chaffinches singes sphinges whinges impinges infringes tinges cringes larynges unhinges wimpish pharynges twinges blimpish fictive resistive distinctive descriptive predictive addictive dismissive missive inflictive instinctive permissive vindictive derisive partitive restrictive prescriptive submissive constrictive precognitive nonaddictive nonrestrictive