(idiomatic) To lose all of one's money; to go broke; to undergo financial ruin or disaster.

(mathematics) A function which expresses numerically the loss produced by a decision or other event

(idiomatic) second place.

(nautical, idiomatic) To die, to perish.

To have sexual intercourse for the first time.

Alternative form of he who hesitates is lost

A disadvantaged or marginalized person who can be "brought back into the fold" with a little effort.

A method of casting a sculpture in which a model of the sculpture is made from wax; the model is used to make a mould; when the mould has set, the wax is made to melt and is poured away, leaving the mould ready to be used to cast the sculpture.

plural of lost property

(Britain) A help desk or department in a store, mall, or other such facility where customers who have lost an item can inquire as to whether it has been found and turned in; a lost and found.