Ephemeral

Definition of Ephemeral
Adjective

1. short-lived, fleeting

Synonyms for Ephemeral
transient, evanescent, momentary, fugitive, fleeting, transitory, temporary, passing, short, short-lived, vanishing, brief.

Antonyms for Ephemeral
long, long-lived, lasting, abiding, durable, enduring, permanent, perpetual, eternal, immortal, everlasting, endless, interminable.