Here's what rhymes with extenuatingly.
gratingly deprecatingly irritatingly penetratingly nauseatingly titillatingly hesitatingly devastatingly humiliatingly illuminatingly aggravatingly intimidatingly excruciatingly exasperatingly fascinatingly infuriatingly ingratiatingly accommodatingly invigoratingly unhesitatingly calculatingly Words that almost rhyme with extenuatingly
ragingly engagingly basically amazingly creatively scathingly imitatively rakishly unfailingly evasively animatedly entertainingly unavailingly piratically jadedly meditatively pervasively prosaically abrasively qualitatively authoritatively persuasively appreciatively collaboratively exaggeratedly legislatively complicatedly exasperatedly lackadaisically administratively algebraically uncomplainingly manipulatively