fleeting

Definitions

Lasting for a very short time.

Passing swiftly; transitory.

Examples

The sunset provided a fleeting moment of beauty before the sky turned dark.

She had a fleeting thought of quitting her job, but quickly dismissed it.

Fame in the digital age is often fleeting and difficult to maintain.

Synonyms

transient ephemeral momentary brief evanescent fugacious passing

Antonyms

enduring permanent everlasting eternal perpetual lasting ceaseless