long run

(noun) a period of time sufficient for factors to work themselves out. Synonyms: long run, long haul. Examples: "In the long run we will win." "In the long run we will all be dead." "He performed well over the long haul."

(adj) relating to or extending over a relatively long time. Synonyms: long-run, long-term, semipermanent. Examples: "The long-run significance of the elections." "The long-term reconstruction of countries damaged by the war." "A long-term investment."