Words similar to ephemeral

Example sentences for: ephemeral

How can you use “ephemeral” in a sentence? Here are some example sentences to help you improve your vocabulary:

Shorter development time is important in ephemeral aquatic habitats such as temporary ponds and phytotelmata, allowing adults to escape prior to dry down in late spring or early summer [ 29 30 ] . Short time to maturity allows the insects to escape their larval habitat before it dries up, and males that mature before females are ready to mate when females emerge.
I keep hearing New Yorkers described as transient drifters whose own roots are so ephemeral that we are willing to let any politician rent a hotel room and represent us.
Nothing drives home the ephemeral nature of popularity better, in fact, then wandering through the action-figure section of Toys "R" Us and seeing the deep discounts on toys from films that were supposed to be hits but weren't.
Of these, or the many other similar examples I've collected, there is no mention in the book . The reason that I didn't mention them was that to do so seemed to me "a cheap shot"--concentrating on the ephemeral and the inconsequential--the scummy froth atop the waves of any discourse.
From this distance, our discussions seem to have started out on a suitably high and somber note with the death of John Kennedy Jr., but our ephemeral natures soon got the better of us.