English Reference
noun

simulation

n.
US /ˌsɪmjəˈɫeɪʃən/ UK /sˌɪmjʊlˈeɪʃən/ sim·u·la·tion UK spelling simulations

  1. 01 B2 Upper Intermediate Academic Science

    a model of a real situation, often on a computer, used to see what might happen.

    a computer model or mathematical representation of a system used to predict or analyse behaviour.

    Simple

    The pilots spent hours in a flight simulation to prepare for the storm.

    In context

    The research team ran a complex computer simulation to determine how the new bridge would react to extreme wind speeds.

    Usage

    Often used with 'run' or 'perform'.

  2. 02 B1 Intermediate Computing

    a type of video game that tries to copy real-life activities like driving or flying.

    a genre of video game designed to mimic real-world activities with a high degree of technical accuracy.

    Simple

    He enjoys playing a racing simulation because the car handling feels very real.

    In context

    Modern flight simulations offer such high fidelity that they are frequently used as supplementary tools for student pilots.

    sim
    arcade game
  3. 03 C1 Advanced Technical Sport

    the act of pretending to be tripped or hurt in a game to trick the referee.

    the act of feigning a fall or injury in order to deceive an official into awarding a foul or penalty.

    Simple

    The player received a yellow card for simulation after falling in the penalty area.

    In context

    The referee was praised for his ability to distinguish between a genuine foul and a clever piece of simulation by the striker.

    Usage

    Commonly used in professional football (soccer) contexts.

    divingfeigning
  4. 04 C2 Proficiency FormalLiterary

    the act of pretending to have a feeling or a physical condition.

    the act of feigning or assuming a false appearance; a deceptive imitation of a state or quality.

    Simple

    Her smile was a mere simulation of happiness to hide her true feelings.

    In context

    The spy's successful simulation of a local merchant allowed him to move through the city without drawing any suspicion from the guards.

    pretensedeceptionaffectation

Usage simulations showed · simulations to examine

The team is now trying to further improve their simulation tools to achieve even higher accuracy and increase the size of simulated systems.

Phys.org· 15 Aug 2026

According to the simulation, when ant density, speed and distance were just right, one ant's movement was all that was needed to nudge a large portion of the group into motion.

Phys.org· 15 Aug 2026

First attested in 1340 as Middle English symulacioun, from Middle French simulation, from Old French simulation/simulacion, from Latin simulātiōnem, from simulō (“imitate”). Morphologically simulate + -ion.

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

This entry
Origin Latin simulātiōnem
Level C1 · Advanced
Frequency Frequent
Updated