Slanderous or speaking badly, especially of a person without that person's knowledge.

Incoherently

(historical) A cumbrous two-wheeled pleasure carriage used in Cuba. The body is in front of the axle; the driver rides on the horse.

(golf) A scoring system in the sport of golf that involves scoring points based on the number of strokes taken at each hole; (by extension) a game played according to this system.