Meaning of lose in English
1. not win a game, competition, fight etc.
Our team lost the game.
2. not know where something or someone is
I think I lost my wallet.
3. not have any longer by accident, parting, death etc.
He lost his daughter in a car accident.
4. not have a particular ability, quality, or attitude as a result of an accident, carelessness, getting old etc.
When she failed the test, she lost confidence.
5. ⦅usu. be lost in⦆ be engrossed in
We were lost in talking and forgot to get off at our station.
6. not know where you are or are or how to get to where you want to go
I lost my way while hiking.
I lost 10kgs.
My father lost heavily.
9. fail to use or take advantage of; waste
You lost big chance.
lose a prize
lose a last train
This watch loses two minutes a day.
This clock neither gains nor loses.