ephemeral 4 antonyms and opposites of ephemeral. Adj — Lasting for only a short time; fleeting. Synonyms for ephemeral earthly brief evanescent deciduous fleeting flying fugacious fugitive instant momentary passing perishable quick seasonable short short-lived temporary transient transitory transitive volatile whilend worldly Antonyms for ephemeral lasting eternal perennial persistent ← Back to the full definition of ephemeral
