Words that Rhyme with serious
4 Syllable Words
delirious, imperious, mysterious
5 Syllable Words
deleterious
Definitions of serious
a. Grave in manner or disposition; earnest; thoughtful; solemn; not light, gay, or volatile.
a. Really intending what is said; being in earnest; not jesting or deceiving.
a. Important; weighty; not trifling; grave.
a. Hence, giving rise to apprehension; attended with danger; as, a serious injury.