English Reference
noun · adjective · verb

motor

n. · adj. · v.
US /ˈmoʊtɝ/ UK /mˈəʊtɐ/ mo·tor UK spelling motoring, motors

  1. 01 A2 Elementary

    n.a machine that uses electricity or fuel to make something move.

    n.a machine or device that converts any form of energy into mechanical energy to impart motion.

    Simple

    The washing machine stopped working because the motor burned out.

    In context

    The engineer inspected the electric motor to determine why it was failing to provide enough torque for the conveyor belt.

  2. 02 C1 Advanced Literary

    n.the main thing or person that makes a project or idea successful.

    n.a figurative source of power, inspiration, or momentum for a specific cause or movement.

    Simple

    Small businesses are the motor of the country's economy.

    In context

    Her relentless ambition served as the primary motor for the department's expansion into international markets.

    driving forcecatalystimpetus
  3. 03 B2 Upper Intermediate British EnglishInformal

    n.a car or automobile.

    n.a motor vehicle, specifically a car.

    Simple

    That is a very nice motor you have parked outside.

    In context

    He spent his entire weekend polishing his new motor until the paintwork gleamed in the sunlight.

  4. 04 B2 Upper Intermediate Technical Medicine

    adj.relating to the way your muscles move your body.

    adj.relating to muscular movement or the nerves that activate it.

    Simple

    Playing video games can help children develop their fine motor skills.

    In context

    The patient showed significant improvement in motor function following several weeks of intensive physical therapy.

  5. 05 B2 Upper Intermediate Informal

    v.to move or progress very quickly.

    v.to travel or progress at a brisk or steady pace.

    Simple

    Once we finished the first chapter, we really started motoring through the book.

    In context

    After a slow start to the project, the team is now motoring along and should finish by Friday.

  6. 06 C1 Advanced Archaic

    v.to travel by car.

    v.to travel by motor vehicle; to drive.

    Simple

    In the summer, they would motor down to the coast for the weekend.

    In context

    The family intended to motor across the countryside, stopping at various inns along the historic route.

Usage motor vehicle · motor vehicles · motor car

But the motor definitely cuts down on the effort you have to make.

Ars Technica· 26 Aug 2026

Further experiments confirmed that motor activity is essential to the process.

Phys.org· 22 Aug 2026

From Middle English motour (“controller, prime mover; God”), from Latin mōtor (“mover; that which moves something”), from mōtō (“to set in motion”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Latin mōtor
Level B2 · Upper Intermediate
Frequency Common
Updated