Here's what rhymes with undefining.
defining designing shining signing fining seining mining dining lining assigning resigning whining divining pining wining declining refining undermining aligning redefining twining underlining redesigning repining enshrining opining confining inclining reclining entwining maligning reassigning combining intertwining realigning recombining Words that almost rhyme with undefining
timing rhyming liming climbing priming finding fighting firing dividing filing hiding citing hiring devising defying hiking siding sighing sighting sizing siting vying shying viking writing binding dying lying rising arising buying exciting flying riding smiling arriving deciding denying guiding lighting lightning sliding winding biting inviting liking presiding residing typing diving frying piling piping revising reviving thriving tying wiping wiring dyeing inciting spying tiring writhing beguiling delighting despising disguising disliking minding righting slicing styling biding biking chiding hireling slighting sniping spiking tithing whiting belying deriding dicing eliding knifing knighting swiping tiding trying driving providing striking underlying crying describing drying striving surviving abiding deriving grinding inspiring modifying pricing retiring advising ageing aspiring authorizing blinding depriving gliding reciting theorizing edifying enticing expiring plying prying splicing stifling striding underwriting alighting amplifying authorising bribing igniting mortifying notifying perspiring quantifying appetizing blighting chastising decrying fantasizing griping rifling theorising uninviting exiling indicting typifying unedifying unexciting appetising bestriding debiting deifying empathizing espying priding prising prizing retyping whinnying applying surprising acquiring analyzing comprising satisfying supplying admiring emphasizing implying relying reminding terrifying trifling uniting uprising analysing criticizing justifying obliging overlying overriding replying supervising ascribing civilizing complying confiding ionizing mobilizing modernizing rewriting summarizing undying untiring baptizing certifying colliding contriving fancying fortifying memorizing polarizing ratifying sanctifying subsiding sympathizing tantalizing unsatisfying beautifying conniving digitizing improvising inscribing mystifying nullifying pacifying paralysing stupefying subdividing summarising terrorizing uninspiring unsmiling unwinding vivifying acidifying apprising atomizing capsizing codifying nonbinding ossifying overwriting politicizing pulverizing ramifying satirizing vaporizing vilifying amortizing anodizing bandying baptising bridling dignifying disobliging idolizing itemizing memorising mollifying pasteurizing pressurizing rebinding respiring televising tyrannizing unappetizing unbinding urbanizing advertising identifying exercising occupying gratifying sacrificing specifying utilizing compromising enterprising maximizing minimizing oxidizing practising prescribing signifying unifying coinciding compiling conspiring horrifying magnifying merchandising neutralizing optimizing purifying simplifying socializing specializing symbolizing synthesizing testifying verifying energizing fertilizing jeopardizing moralizing paralyzing prophesying rectifying standardizing subsidizing visualizing catalyzing customizing depolarizing evangelizing immunizing monopolizing publicizing reuniting solidifying stultifying temporizing unsurprising calcifying exorcising feminizing finalizing fructifying immobilizing indemnifying initializing liquefying mesmerizing naturalizing penalizing privatizing proscribing romanticizing sermonizing verbalizing vitalizing vocalizing anesthetizing carbonizing catalysing catechizing demonizing epitomizing faultfinding mechanizing merchandizing moisturizing petrifying plagiarizing polarising polymerizing sanitizing scandalizing speechifying temporising trivializing versifying organizing multiplying clarifying classifying qualifying reconciling stabilizing colonizing generalizing intensifying patronizing subscribing apologizing capitalizing categorizing centralizing crystallizing demoralizing destabilizing diversifying equalizing glorifying harmonizing legitimizing liberalizing localizing magnetizing normalizing philosophizing sensitizing sterilizing transcribing actualizing antagonizing dramatizing economizing emulsifying expediting falsifying formalizing galvanizing globalizing homogenizing humanizing internalizing legalizing metabolizing objectifying stigmatizing aggrandizing brutalizing crucifying disorganizing eulogizing familiarizing fraternizing hybridizing hydrolyzing hypothesizing magnetising materializing personalizing personifying putrefying apprenticing commercializing demystifying desensitizing detoxifying dissatisfying dramatising hypnotizing metastasizing mythologizing prioritising recognizing characterizing stereotyping exemplifying rationalizing scrutinizing synchronizing circumscribing decentralizing dehumanizing democratizing disqualifying electrifying externalizing individualizing nationalizing popularizing prioritizing proselytizing revitalizing systematizing marginalizing oversimplifying proselytising secularizing tranquilizing conceptualizing industrializing reorganizing contextualizing demagnetizing revolutionizing