Here's what rhymes with signifcant.
Words that almost rhyme with signifcant
innocent sycophant incident immigrant filament imminent ligament immanent impotent indolent insolent silicate vigilant virulent irritant visitant difficult implement infinite intimate increment intricate militant simulate stimulant dissonant ministrant ficklest instrument coincident militarist littlest nimblest cheerfullest timpanist equivalent ambivalent omnipotent precipitant medicament dissimulate belittlement nonvirulent legitimate magnificent imprisonment participant predicament discriminant empiricist nonmilitant particulate abolitionist grandiloquent exhibitionist individuate gesticulate coalitionist nonequivalent prohibitionist indiscriminate inarticulate nonparticipant