Antonyms:
* Win: This is the most direct opposite of "lose," especially in competitions or games.
* Gain: This implies acquiring something, the opposite of losing it.
* Keep: This means to retain possession of something.
* Find: This is the opposite of losing something physically.
* Retain: This is similar to "keep," but implies holding onto something, often a quality or ability.
* Maintain: This is similar to "retain" but implies keeping something in good condition.
Synonyms:
* Misplace: This implies losing something temporarily, usually by forgetting where you put it.
* Drop: This is often used in the context of losing something physically, like dropping a phone.
* Miss: This can mean failing to achieve something or losing something you had.
* Waste: This can mean losing something valuable, like time or money.
* Forfeit: This implies losing something as a penalty or consequence.
* Suffer: This can mean experiencing a loss, such as a loss of a loved one or a loss of money.
The best synonym or antonym depends on the specific context in which you are using the word "lose."