1. [n]  a period of time sufficient for factors to work themselves out; "in the long run we will win" or"he performed well over the long haul"
2. [adj]  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"

LONG-RUN is a 8 letter word that starts with L.