Ephemeral: Adjective
Definition: Lasting for a very short time; transient; fleeting; momentary.
Usage: The beauty of the cherry blossoms is ephemeral, as the delicate flowers bloom for only a brief period each spring.
Synonyms: Transient, evanescent, short-lived, fleeting, momentary.
Antonyms: Permanent, enduring, everlasting.
Origin: The word “ephemeral” is derived from the Greek word “ephēmeros,” meaning “lasting only a day.”