ephemeral

IPA: ɪfˈɛmɝʌɫ

Lasting for a short period of time.
(biology) Existing for only one day, as with some flowers, insects, and diseases.
(geology, of a body of water) Usually dry, but filling with water for brief periods during and after precipitation.

Examples of "ephemeral" in Sentences

The net tends to be pretty ephemeral.
It is the nature of fads that they are ephemeral.
Our seeming dominance over the world is illusory and ephemeral.
A couple of questions for the ephemeral and anonymous Futrzakus.
The Ephemeral Museum is the first ephemeral art museum in the world.
I cut and pasted from the catalogue since the citation is ephemeral.
However, the political ramifications and effect of the poem were ephemeral.
An example of something ephemeral is when you look at the sunset in the sky.
The ephemeral nature of the content would make it ideal for such a consumable.
Each ephemeral flower opens in the evening and closes by the following morning.
How, then, with that kind of history, do you think the government will fare attempting to prevent the flow of something so ephemeral is “electronic bits” around the world?
When your entire brand is built on the temporary, fleeting, and inevitably obsolete currency of youthful physical beauty, sexual allure, and cultural status, the word "ephemeral" comes to mind.