/ Dictionary / Index S sempiternal: Meaning and Definition of Find definitions for: sem•pi•ter•nal Pronunciation: (sem"pi-tûr'nl), [key] — adj. Literary. everlasting; eternal. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sempiternal (Thesaurus) sempervivum semplice Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language