Here's what rhymes with unobstreperous.
obstreperous Words that almost rhyme with unobstreperous
treacherous lecherous reference generous preference reverence decorous shepherdess splendorous deference temperance cleverness referents severance irreverence measureless featherless ulcerous tenderness adventurous terrorists degenerates electorates togetherness directorates slenderness regenerates federates slumberous unadventurous overgenerous measurements intemperance cadaverous protectorates apiarists inspectorates expectorates confederates expectorants