Adjective long run has 1 sense
- long-run, long-term, semipermanent - relating to or extending over a relatively long time; "the long-run significance of the elections"; "the long-term reconstruction of countries damaged by the war"; "a long-term investment"
Antonym: short (indirect, via long)
,
Noun long run has 1 sense
- long run, long haul - a period of time sufficient for factors to work themselves out; "in the long run we will win"; "in the long run we will all be dead"; "he performed well over the long haul"
--1 is a kind of time period, period of time, period
,