Foist

·noun A foister; a sharper.

II. Foist ·noun A trick or fraud; a swindle.

III. Foist ·noun A light and fast-sailing ship.

IV. Foist ·vt To insert surreptitiously, wrongfully, or without warrant; to Interpolate; to pass off (something spurious or counterfeit) as genuine, true, or worthy;

— usually followed by in.