Has two main definitions - the show on ABC, and the game.

The show follows a common "surviving stranded on an island" theme, where a group of people who's plane crashed have to get past five million and one obstacles to stay alive.

The game Lost is very unique. Everyone has their own "invitation URL", and the idea is to get someone to visit it within a certain timeframe. The faster someone clicks the link, the more points you get. It costs no money to play the game, but at the end, when there are seven million players, the players with the highest points get cash prizes from 500 - 5000 dollars.

If you want to play, google anything with "lost.eu" and you'll probably find someone's invitation code.
Lost is a really popular T.V. show - kids are even starting to dress as lost characters for Halloween.

Lost isn't a really well-known game. Most people don't even know the URL for the site.
by Ihopenooneelsehasthisname August 07, 2007
When your friend(s) are so wasted they can function, rather not decide where their current location is until they end up remembering the next morning what they were doing once reminded by fellow navigator(s).
Ryan: "dude I was so lost last night. I can't wait to get lost next Saturday.
Marcus:"dahh man I always have to go away when everyone gets lost."
Peter:"Lets setup a gb station. "
Paul:"Im so... tired.. Tired..tired."
Kyle:"We're gonna need a navigator who can solve all our problems."
by Marquilius November 15, 2009
An online (and partialy offline) social experiment and game. The host of the game is a student in the UK who is showing how 7 million people can connect and be part of a community.

When someone signs up for the game they are given two things:

The first is a link that is unique to them, in the form of (lost.eu/example). (When someone clicks on that link it gives that person the chance to sign up and play. When someones link is clicked, and the clicker signs up, the owner of the url gains points. Then that person gets a link, so the cycle continues.)

The second is a timer. If someone does not sign up using that persons link before the timer runs out. They lose.
-Man walks down the subway and spies a poster on the wall-

"YOUR INVITED: www.lost.eu/6198f PLAY NOW!"
by Hellzend August 23, 2007
to laugh; to lose control of yourself; to become engulfed in laughter.
(uncontrollable laughter) "I lost hard to that joke!"
by prettyclever August 24, 2011
The most efficient way to increase your IQ/and or induce migraines.
I watched the entire last season of Lost last night,and man,i feel smarter already!
by Writebox March 22, 2011
Acronym for: Line of Sight Tasked

Being asked to do something simply because another, especially a supervisor, can see you.
"Hey! The boss is coming downstairs, let's get out of here before we get L.O.S.T."
by Snacks April 13, 2008
01: To be unsuccessful in retaining possession of; mislay: He's always losing his car keys.

1.To be deprived of (something one has had): lost her art collection in the fire; lost her job.

2.To be left alone or desolate because of the death of: lost his wife.

3.To be unable to keep alive: a doctor who has lost very few patients.

4.To be unable to keep control or allegiance of: lost his temper at the meeting; is losing supporters by changing his mind.

5.To fail to win; fail in: lost the game; lost the court case.

6.To fail to use or take advantage of: Don't lose a chance to improve your position.

7.To fail to hear, see, or understand: We lost the plane in the fog. I lost her when she started speaking about thermodynamics.

02: To let (oneself) become unable to find the way.
To remove (oneself), as from everyday reality into a fantasy world.

8.To rid oneself of: lost five pounds.

9.To consume aimlessly; waste: lost a week in idle occupations.

10.To wander from or become ignorant of: lose one's way.

11. To elude or outdistance: lost their pursuers.

12. To be outdistanced by: chased the thieves but lost them.
13.To become slow by (a specified amount of time). Used of a timepiece.

14.To cause or result in the loss of: Failure to reply to the advertisement lost her the job.

15.To cause to be destroyed. Usually used in the passive: Both planes were lost in the crash.

16.To cause to be damned.
Examples of 'Lost' are in definitions..
by Court Jeremiah May 20, 2006
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