noun

1. A machine or device that converts other energy forms into mechanical energy, or imparts motion.

2. A motor car, or automobile.

   “Nice motor!”

3. A source of power for something; an inspiration; a driving force.

Synonyms: engine, kicker

verb

1. To make a journey by motor vehicle; to drive.

   “On Saturday we motored down to Plymouth.”

2. To move at a brisk pace.

   “Sales were slow at first, but now things are really motoring.”

3. To leave.

   “I gotta motor.”

adjective

1. Relating to the ability to move

   “She has excellent motor skills.”

2. Relating to motor cars

   “Motor insurance is expensive for youngsters.”

3. Propelled by an internal combustion engine (as opposed to a steam engine or turbine).