Fleeting; lasting but a short time; -- applied particularly to organs or parts which are short-lived as compared with the life of the individual.

enduring a very short time; "the ephemeral joys of childhood"; "a passing fancy"; "youth's transient beauty"; "love is transitory but at is eternal"; "fugacious blossoms"

fleetin', transito'y; difficult t'capture.

Falling soon after development.

falling or withering away very early.

shed or withering away very early.

Flying, or disposed to fly; fleeing away; lasting but a short time; volatile.