Lose
/luːz/
verb
To cause (something) to cease to be in one's possession or capability due to unfortunate or unknown circumstances, events or reasons.
“He lost his hearing in the explosion.”
To wander from; to miss, so as not to be able to find; to go astray from.
“I lost my way in the forest.”
To fail to win (a game, competition, trial, etc).
“We lost the football match.”
Synonyms: leave behind, mislay, forfeit, drop, shed, ditch, drop, dump