Here's what rhymes with ungleefully.
gleefully Words that almost rhyme with ungleefully
greasily breezily queasily wheezily sleazily uneasily legally greedily regally creakily creepily creamily illegally peacefully dreamily realty sleepily drearily reapply cheekily heedfully needfully deity speedily agreeably fealty grievously regency zealously aridity serenely genially egregiously peony sneakily coequally squeakily recently secrecy supremely ceaselessly needlessly peaceably unequally ideality leniency unspeakably heedlessly leniently piquancy seamlessly deceitfully obscenely feasibly covetously piquantly sleeplessly anemically frequency frequently obesity appreciably decency decently unevenly unfrequently coherently unbelievably naivety irredeemably congenially dubiety phonemically speciously believably speechlessly conceitedly inappreciably unrelievedly infrequently conceivably ingeniously benignity disagreeably facetiously infrequency centripetally conveniently crystallinity indecency irretrievably inconceivably indecently indefeasibly homogeneity spontaneity simultaneity inconveniently heterogeneously heterogeneity historicity contemporaneity