Words That Rhyme With "Irrespective" :
2 syllables:
active, fictive, octave, tractive
3 syllables:
abjective, abstractive, acceptive, addictive, affective, afflictive, astrictive, attractive, coactive, collective, conceptive, conductive, connective, constrictive, constructive, contractive, convective, corrective, deceptive, deductive, defective, deflective, destructive, detective, detractive, diffractive, directive, distractive, eductive, effective, ejective, elective, enactive, erective, exceptive, extractive, inactive, inceptive, inductive, infective, inspective, instructive, invective, objective, obstructive, perceptive, perfective, perspective, preceptive, predictive, proactive, productive, projective, prospective, protective, reactive, receptive, reductive, reflective, refractive, rejective, respective, restrictive, seductive, selective, subjective, subtractive, susceptive, vindictive
4 syllables:
circumspective, contraceptive, contradictive, contraoctave, hyperactive, imperceptive, imperfective, indefective, ineffective, interactive, introspective, noneffective, noninductive, nonobjective, nonproductive, nonrestrictive, overactive, preselective, psychoactive, rarefactive, recollective, reconstructive, reproductive, retroactive, retrospective, stupefactive, unattractive, underactive, unperceptive, unproductive, unreceptive, unreflective, unselective, vasoactive
5 syllables:
chemoreceptive, exteroceptive, interoceptive, intersubjective, magnetostrictive, overprotective, photoconductive, photorefractive, proprioceptive, radioactive, subcontraoctave, superconductive, vasoconstrictive