Here's what rhymes with signiiicant.
piquant mendicant Words that almost rhyme with signiiicant
weakened recent decent regent weakest leant sicut sealant meekest agreement secret frequent deepest cheapest indecent keenest meanest peanut antient chiefest sequenced seulement licit neatest theist bleakest reshipped seafront sheerest leanest realest beechnut reedit sleekest liefest shiest serest treatment achievement convenient bereavement concealment impeachment infrequent sentient sweetest appeasement decedent leaflet briefest machinist steepest tliat cleanest sapient fleetest preachment gaudiest serenest meagerest messiest gamiest chariest sliest mousiest disagreement benignant bafflement completest enfeeblement impalement pointillist wiliest beguilement puniest revilement cajolement corniest regalement sultriest mangiest obscenest uncleanest crispiest laciest scaliest tangiest woodenest inconvenient maltreatment pretreatment defilement mistreatment ennoblement insentient enjambement fruitiest untidiest wintriest pastiest unhandiest unmanliest unwariest disablement inconvenienced intercollegiate underachievement orthopedist discreetest orthopaedist pantomimist paltriest unloveliest