DictionaryfleetingBrief duration
adjective

fleeting

FLEE-ting/ˈfliːtɪŋ/

lasting only a very short time

The bubble's fleeting existence ends when it bursts moments after forming.

A three-frame close-up shows the same soap bubble forming, briefly floating, and bursting within two seconds.
Etymology

The image is of something floating or drifting away. Through senses of swift movement and gliding away like a stream, fleeting came to describe something that lasts only briefly.

In context

Spark13:18
it's also fleeting because of the speed at which the moon's shadow passes across earth's surface a total eclipse generally only lasts a few minutes
Solar Eclipse Reveals The Truth About Earth

More examples

  • We catch a fleeting glimpse of a deer through the trees.
  • For a fleeting moment, I think I recognize his voice.
  • The good news brings only fleeting relief from her worries.

Forms

fleeting · more fleeting · most fleeting

fleetingly adverb — For only a very short time.

Similar words

momentary
Often describes something lasting no more than an instant.
temporary
Lasts for a limited time, not necessarily a short one.