Passing before the sight or perception, or, as it were, moving over or across a space or scene viewed, and then disappearing; hence, of short duration; not permanent; not lasting or durable; not stationary; passing; fleeting; brief; transitory; as, transient pleasure.
Hasty; momentary; imperfect; brief; as, a transient view of a landscape.
Staying for a short time; not regular or permanent; as, a transient guest; transient boarders.
History proves that all dictatorships, all authoritarian forms of government are transient. Only democratic systems are not transient. Whatever the shortcomings, mankind has not devised anything superior. Vladimir Putin