/ Dictionary / Index E ephemeral: Meaning and Definition of Find definitions for: e•phem•er•al Pronunciation: (i-fem'ur-ul), [key] — adj. lasting a very short time; short-lived; transitory: the ephemeral joys of childhood. lasting but one day: an ephemeral flower. —n. anything short-lived, as certain insects. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ephemeral (Thesaurus) ephemera ephemerality Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language