Definition
[adj] existing or enduring for a limited time only
[adj] not permanent; not lasting; "politics is an impermanent factor of life"- James Thurber; "impermanent palm cottages"; "a temperary arrangement"; "temporary housing"
Synonyms
acting(a), ephemeral, episodic, evanescent, finite, fly-by-night, fugacious, guest(a), improvised, interim, jury-rigged, makeshift, passing, pro tem, pro tempore, short-lived, temporal, temporary, terminable, transient, transitory, visiting, working(a)