(nautical, idiomatic) To die, to perish.

If one is not alert and attentive, one will not be successful.

One who wants everything may lose it all.

Alternative form of you win some, you lose some

(idiomatic) To achieve a portion of a goal, but fail to achieve the entire goal.

present participle of win the battle, but lose the war

Third-person singular simple present indicative form of win the battle, but lose the war

(humorous) Said of a person who habitually mislays things.

Said to describe a conflict in which someone has a particular advantage from the start.

Everybody experiences some successes and some failures.