ephemeral

About 1.60 uses per million words.

Meaning

1. adjective Lasting for a short period of time.
2. adjective Existing for only one day, as with some flowers, insects, and diseases.
3. adjective Usually dry, but filling with water for brief periods during and after precipitation.
4. noun Something which lasts for a short period of time.

Similar words

transitory short-lived transient impermanent fugacious temporary passing fleeting brief transitional

Often followed by

and nature as in existence character or streams quality

Word family

ephemerally ephemerals