Here's what rhymes with undefensive.
defensive offensive pensive extensive expensive intensive apprehensive inoffensive unoffensive comprehensive inexpensive hypertensive hypotensive counteroffensive antihypertensive coextensive Words that almost rhyme with undefensive
senses offenses tenses dispenses menses incenses inferences expences cleanses mensches pretenses sixpences twopences condenses pseudosciences effective excessive defective incentive preventive deceptive festive inventive possessive affective attentive depressive detective elective receptive infective obsessive perceptive recessive invective restive deflective unperceptive perspective aggressive impressive respective successive expressive selective corrective digestive directive ineffective oppressive reflective compressive reflexive inattentive retentive suppressive disincentive digressive imperceptive collective objective progressive protective subjective prospective suggestive connective irrespective contraceptive repressive convective projective redemptive regressive preemptive unimpressive noneffective overattentive congestive introspective transgressive inexpressive nonobjective overaggressive nonsuccessive retrospective intersubjective retrogressive proprioceptive immunosuppressive