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