[adj] lacking continuity or regularity; "an irregular worker"; "employed on a temporary basis"
[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, fly-by-night, fugacious, guest(a), impermanent, improvised, interim, irregular, jury-rigged, makeshift, part-time, passing, pro tem, pro tempore, short-lived, temporal, terminable, transient, transitory, visitin