1 to stop having something that you had before -- 잃다
2 to have less of something than you had before -- 잃다(줄이다)
3 If you lose a game, the team or person that you are playing against wins. -- 지다
Chelsea lost by a goal.
They’re losing 3–1.
4 to waste something such as time or an opportunity -- (기회나 시간을) 잃다