Here's what rhymes with superfastidious.
fastidious hideous insidious invidious Words that almost rhyme with superfastidious
tibias amphibious bilious serious dizziness giddiness chilliness stickiness ligneous pithiness tinniness mysterious imperious oblivious vitreous weariness delirious pitiless silliness trickiness bitchiness tipsiness prissiness skinniness hilliness bleariness experience affiliates initiates lascivious punctilious supercilious prettiness filthiness riskiness flimsiness milkiness silkiness wittiness friskiness skimpiness deleterious resilience lineaments consanguineous grittiness percipience princeliness disaffiliates ignominious inexperience miscreants conciliates incipience propitiates recipients