English Reference
noun

simulator

n.
US /ˈsɪmjəˌɫeɪtɝ/ UK /sˈɪmjʊlˌeɪtɐ/ sim·u·la·tor UK spelling simulator's, simulator's

  1. 01 B2 Upper Intermediate

    a machine that copies the feeling of a real vehicle or environment, used to train people like pilots or drivers.

    a physical or digital apparatus that emulates a specific environment, typically used for professional training where real-world practice is dangerous or expensive.

    Simple

    The pilot spent fifty hours in a flight simulator before he was allowed to fly a real plane.

    In context

    Medical students now use a surgical simulator to practice delicate procedures before they ever enter a real operating theatre.

    Usage

    Often used with a modifying noun like 'flight', 'driving', or 'combat'.

  2. 02 B2 Upper Intermediate Computing

    a type of video game that tries to copy real life as closely as possible.

    a genre of software or video game that prioritises the realistic reproduction of a specific activity or system.

    Simple

    He loves playing a farming simulator where he has to manage crops and tractors.

    In context

    The latest racing simulator offers such realistic physics that professional drivers use it to learn new tracks during the off-season.

    Teacher's tip

    In gaming culture, this is frequently shortened to 'sim'.

    sim
    arcade game
  3. 03 C2 Proficiency Formal

    someone who pretends to have a feeling or a physical condition.

    an individual who feigns a state, emotion, or physical symptom, often for the purpose of deception.

    Simple

    The doctor suspected the patient was a simulator who just wanted to avoid going to work.

    In context

    The investigator had to distinguish between a genuine victim and a clever simulator attempting to claim insurance money.

    Usage

    This sense is much rarer than the technical or gaming senses.

Ten experienced private pilots were tested on a flight simulator 24 hours after smoking cannabis.

BBC News· 15 Aug 2026

And there’s always Euro Truck Simulator 2 , which has drives long enough to feel aimless, even if you do have packages to deliver.

The Guardian· 19 Aug 2026
This entry
Level B2 · Upper Intermediate
Frequency Frequent
Updated