éphémère
ephemeral, fleeting
adjective eh-feh-MAIR Rare
Origin: Greek ephêmeros (lasting only a day)
Usage Note
Éphémère can also be used as a masculine noun meaning a mayfly (un éphémère) — the insect famous for its single-day adult lifespan. As an adjective it is invariable in gender: un bonheur éphémère, une gloire éphémère. The adverb éphémèrement exists but is rarely used; writers prefer rephrasing.
Examples
"La beauté des fleurs est éphémère."
Natural Translation
The beauty of flowers is fleeting.

Free starter pack
Building your French vocabulary?
Get the 100 most common French words as a free PDF — one email, no spam.
Related Words
Explore French by topic
FrenchNow
6 min read