English Reference
Verb

simulate

v.
C1 Advanced Oxford US /ˈsɪmjəˌɫeɪt/ UK /sˈɪmjʊlˌeɪt/ sim·u·late UK spelling simulates, simulating

v.to create a model or a copy of something to see how it works. You often do this on a computer to test a situation without doing it in real life.

v.to imitate the appearance or character of a process or system, typically for the purpose of study or training. Often involves the use of a mathematical or computer model to predict real-world outcomes.


SIMPLE

Scientists use computers to simulate the weather.

CONTEXTUAL

The flight software can simulate various emergency scenarios to help pilots practice their response times.

COMPLEX

By using advanced algorithms to simulate the structural stresses on the bridge, engineers identified potential points of failure before the first stone was even laid.

Usage

The verb is transitive and requires a direct object representing the system or condition being imitated.

Pitfall
The program simulates to a real flight.The program simulates a real flight.

Simulate is a transitive verb and does not take the preposition 'to' before its object.

As an actor I was simulating these experiences and I went home every night, whereas the real participants are in an 18-month program and the work and recovery is never done.

The Guardian· 15 Aug 2026

To test their idea, the researchers built a model simulating Cygnus X-3 as a continuous source, spraying high-energy protons into space for hundreds of thousands of years.

Phys.org· 14 Aug 2026

Common in science writing


Etymology 1

First attested in 1652; Borrowed from Latin simulātus, perfect passive participle of simulō (“make like, imitate, copy, represent, feign”) (see -ate (verb-forming suffix)), from similis (“like”). See similar.

Etymology 2

First attested in c. 1425, in Middle English; inherited from Middle English symulat(e), simulat(e), similat(e) (“feigned; similar”), borrowed from Latin simulātus, see -ate (adjective-forming suffix) and Etymology 1 for more.

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

This entry
Level C1 · Advanced
Frequency Frequent
Updated