plural of lost neutral

(hydrology) A surface stream which flows into an underground passageway.

plural of lost river

(historical, US) A small, uninhabited portion of land that was left over after the division and organization of the large former Dakota Territory remnants into five new states in the late 19th century, which was overlooked by the federal government for years. It was located at the tripoint between the current states of Idaho, Wyoming, and Montana.

(nautical, of a ship, boat, or other vessel) Destroyed or sunk, with all passengers and crew having died in the process.

comparative form of long-lost: more long-lost

A group of high mountains located in central Idaho, in northwest United States.

simple past tense and past participle of lose one's temper

simple past tense and past participle of lose one's cool

simple past tense and past participle of lose one's mind