capable of being modified in form or character or strength (especially by making less extreme); "the rhythm of physiological time is not modifiable except by interference with certain fundamental processes" - Alexis Carrel
lasting 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"
lasting for a markedly brief time; "a fleeting glance"; "fugitive hours"; "rapid momentaneous association of things that meet and pass"; "a momentary glimpse"
not permanent; not lasting; "politics is an impermanent factor of life"- James Thurber; "impermanent palm cottages"; "a temperary arrangement"; "temporary housing"
a grant (by a sovereign or a legislative body) of resources to maintain a dependent member of a ruling family; "bishoprics were received as appanages for the younger sons of great families"
any customary and rightful perquisite appropriate to your station in life; "for thousands of years the chair was an appanage of state and dignity rather than an article of ordinary use"