long-term
1. [ adjective ] relating to or extending over a relatively long time
Synonyms: long-run semipermanent
Examples:

"the long-run significance of the elections" "the long-term reconstruction of countries damaged by the war" "a long-term investment"

Related terms: long
Similar spelling:   longtime
  long_tom
  longitude
  long_time
  Longstreth
  Longstreet
  long-dated
  Longtin