permanent Antonyms

impermanent temporary short-dated transitory transmigratory travel trend until variable vicarial ad hoc biodegradable pis aller transitive transitional short-lived substitute surrogate temperamental temporal temporality temporally terminable tester till transient mountain pass stopgap mayfly constantly changing constantly developing constantly evolving continually developing continually evolving continuously changing continuously developing continuously evolving changed greatly ever evolving evolving all the time changing all the time always evolving freelance migrational minutes mutative ever-changing fly-by-night short-term off and on