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