impermanent
1. [ adjective ] not permanent; not lasting
Synonyms: temporary
Examples:

"politics is an impermanent factor of life"- James Thurber "impermanent palm cottages" "a temporary arrangement" "temporary housing"

Related terms: permanent acting temporal ephemeral ephemeral interim pro_tem visiting working improvised terminable fly-by-night evanescent episodic unstable permanence
2. [ adjective ] existing or enduring for a limited time only
Related terms: finite
Similar spelling:   impermanency
  impermanence
  impertinent
  impertinently
  imipramine
  imperforate
  improperness
  imperturbable
  imperviable
  impersonate
  impermeable
  impertinence
  impersonator
  improper
  impersonation