Fail to keep track of something or someone.
She lost her keys and couldn't find them anywhere.
Have something taken away, often due to unforeseen circumstances.
He lost his job unexpectedly.
Give up possession of something, often unwillingly.
They lost their home in the fire.
Experience a decrease in something, especially with age.
She's lost her memory over the years.
Lose the quality or ability to do something, especially gradually.
He lost his ability to speak after the accident.
Be defeated or fail to win.
They lost the game but gained respect.
Fail to keep or make a financial loss.
Investing in that startup, he stood to lose a lot of money.
Not catch or understand something that was said or done.
In the noise, I lost what you were saying.
Become confused or unable to follow something.
With all the technical terms, I lost you at 'algorithm'.
Escape from someone or something by moving away quickly.
We lost the followers by taking a sudden turn.
Waste time or an opportunity.
We lost an hour waiting for the bus.
A watch or clock that is running slow.
My watch loses five minutes every day.