/ Dictionary / Index V vitals: Meaning and Definition of Find definitions for: vi•tals Pronunciation: (vīt'lz), [key] — n.pl. those bodily organs that are essential to life, as the brain, heart, liver, lungs, and stomach. the essential parts of something: the vitals of a democracy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: vitals (Thesaurus) Vitallium vital signs Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language