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