simple past tense and past participle of leave someone out in the cold

plural of left-handed monkey wrench

A fictional item, the subject of a fool's errand.

Sarcastic response to somebody assuming a position of authority that they have not earned.

Alternative form of that train has left the station

Two parts of an organization are unaware of each other's activities.

(politics) Liberals or center-leftists widely support firearm restrictions, while those on the far left, such as Marxists, do not.