What word have the same meaning as ephemeral?

Here are some words that have the same or similar meaning to "ephemeral":

Similar meaning:

* Transient

* Fleeting

* Short-lived

* Passing

* Momentary

* Temporary

* Fugitive

* Evanescent

* Transitory

Figurative:

* Dewdrop (a common metaphor for something ephemeral)

* Mayfly (another common metaphor for something with a short lifespan)

The best word to use will depend on the specific context and the nuance you want to convey.