English Reference
adjective · noun

mechanical

adj. · n.
US /məˈkænɪkəɫ/ UK /mɪkˈænɪkəl/ me·chan·i·cal

  1. 01 B2 Upper Intermediate

    adj.connected with machines or how they are made and used.

    adj.relating to the design, construction, and operation of machinery.

    Simple

    The car broke down because of a mechanical problem with the engine.

    In context

    The engineers identified a mechanical failure in the cooling system that had caused the entire production line to halt unexpectedly.

  2. 02 B2 Upper Intermediate

    adj.done without thinking, like a machine.

    adj.performed or acting without conscious thought or expression; automatic and often lacking emotion.

    Simple

    He gave a mechanical wave to the crowd as he walked past.

    In context

    Her response was entirely mechanical, suggesting she had rehearsed the statement so many times that it no longer held any personal meaning.

  3. 03 C1 Advanced AcademicTechnical Science

    adj.related to the branch of science that studies how physical forces affect objects.

    adj.relating to the branch of physics concerned with the motion of bodies and the forces acting upon them.

    Simple

    The teacher explained the mechanical energy of a swinging pendulum.

    In context

    The research paper explores the mechanical properties of carbon nanotubes under extreme pressure and temperature conditions.

  4. 04 B2 Upper Intermediate Informal

    adj.good at understanding or fixing machines.

    adj.possessing an innate or developed aptitude for understanding and repairing machinery.

    Simple

    My brother is very mechanical and can fix almost anything in the house.

    In context

    Growing up on a farm, she developed a mechanical mind that allowed her to troubleshoot complex irrigation systems without formal training.

  5. 05 C1 Advanced InformalTechnical Sport

    n.a situation where a machine or piece of equipment stops working.

    n.an instance of technical or equipment failure, particularly in a competitive or high-stakes context.

    Simple

    The cyclist lost the race after suffering a mechanical on the final hill.

    In context

    Despite a strong start, the driver was forced to retire from the Grand Prix following a terminal mechanical in the third lap.

  6. 06 C2 Proficiency ArchaicLiterary

    n.a person who does physical work with their hands.

    n.a manual labourer or artisan; often used in literary contexts to refer to uneducated workers.

    Simple

    The play features a group of mechanicals who are trying to put on a show.

    In context

    Shakespeare's 'rude mechanicals' provide comic relief through their earnest but clumsy attempts to perform a classical tragedy for the Duke.

Usage mechanical properties

Greek police believe a mechanical fault may have caused a helicopter to crash moments before it was due to land on the island of Sifnos, killing a British couple on honeymoon and the pilot.

The Guardian· 18 Aug 2026

This type of protein gives some silks both strength and toughness – two related but distinct mechanical properties.

The Conversation· 4 Aug 2026

From Middle English mechanical, mechanicalle, mechanycalle, equivalent to mechanic + -al.

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

This entry
Origin Middle English mechanical
Level B2 · Upper Intermediate
Frequency Common
Updated