Having been missing or unknown for a long period of time.

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.

Speechless from surprise or shock.

(idiomatic) Mutual dislike or animosity.

Alternative spelling of long-lost

(idiomatic) Synonym of fool's errand

(law) Income that a plaintiff in a lawsuit would have received but for the actions of the defendant, and for which the defendant is therefore liable.