Delirious rhymes with:
deleterious, imperious, mysterious, serious, aquarius, curious, deleterious, demetrius, denarius, dimitrius, dimitrius', furious, glorious, gregarious, hilarious, illustrious, imperious, industrious, inglorious, injurious, laborious, lugubrious, marius, meritorious, murias, mysterious, nefarious, notorious, pancreas, penurious, precarious, serious, spurious, stradivarius, tavoulareas, various, vicarious, victorious, vitreous
Delirious sounds like:
dealer's, dealers, dealers', delarosa, delaware's, dellarocco, delore's, delores, deloris, delors, delrossi, delrosso, diller's, dollar's, dollars, dollars', dolores, dolorosa, dwellers