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