Definition of Evanescent: Evanescent (adjective): Quickly fading or disappearing; something that is fleeting and short-lived, like a moment that is here and then gone. Synonyms: fleeting, ephemeral, transient, temporary Antonyms: enduring, lasting, permanent, eternal Memory Tip: Think of “evanescent” as a beautiful sunset that lasts only a few moments before it fades away, leaving just…