conjugation losing - lost - lost
verb: unable to find something
She realized she had lost her keys after searching the entire house.
verb: to fail to win (a game or contest)
Our team lost the championship by a single point.
verb: to be unable to follow or understand something
I'm sorry, I lost you after you mentioned the new task.
adjective: unable to find one's way; not knowing where one is
You look lost, can I help you?
adjective: that cannot be found or created again
She's trying to recapture her lost youth.