sim·​u·​la·​tion | \ ˌsim-yə-ˈlā-shən How to pronounce simulation (audio) \

Definition of simulation

1 : the act or process of simulating
2 : a sham object : counterfeit
3a : the imitative representation of the functioning of one system or process by means of the functioning of another a computer simulation of an industrial process
b : examination of a problem often not subject to direct experimentation by means of a simulating device

Examples of simulation in a Sentence

a computer simulation of spaceflight a simulation of the planet's surface They use computer simulation to predict weather conditions.
Recent Examples on the Web To comply with child labor laws, the parenting simulation involves babies, and then toddlers, being switched out every few hours while Angela’s back is turned. Alan Sepinwall, Rolling Stone, 13 July 2022 Times reporting and public information from the New York Fire Department informed boundary conditions and other inputs for the simulation. New York Times, 8 July 2022 This might be only subtly detected via the simulation. Lance Eliot, Forbes, 27 June 2022 These assertions, whether Platonism, the simulation hypothesis or my insane-god theology, can easily become escapist and nihilistic. John Horgan, Scientific American, 14 June 2022 Researchers created the simulation using machine learning. Joshua Hawkins, BGR, 7 June 2022 For the sake of the simulations (and because it’s the leading cause of vaquita death), the simulation assumes that deaths are caused by gillnet bycatch, but Robinson noted that individuals could be taken out of the population through other means. Doug Johnson, Ars Technica, 6 May 2022 The school continued doing the simulation into the 2010s and stopped only after multiple students of color and USM parents complained, the lawsuit states. NBC News, 20 Apr. 2022 The climate model simulation shed light on the key conditions that humans would have needed to thrive, like rainfall, temperature and vegetation levels. Brian Handwerk, Smithsonian Magazine, 13 Apr. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'simulation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of simulation

14th century, in the meaning defined at sense 1

History and Etymology for simulation

Middle English simulacion, from Anglo-French, from Latin simulation-, simulatio, from simulare

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Time Traveler for simulation

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The first known use of simulation was in the 14th century

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Dictionary Entries Near simulation

simulated rank



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Last Updated

6 Aug 2022

Cite this Entry

“Simulation.” Dictionary, Merriam-Webster, Accessed 8 Aug. 2022.

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More Definitions for simulation


sim·​u·​la·​tion | \ ˌsim-yə-ˈlā-shən How to pronounce simulation (audio) \

Legal Definition of simulation

in the civil law of Louisiana
1 : the act of simulating
2 : a contract that by mutual agreement does not express the true intent of the parties — see also counterletter — compare disguised donation at donation

Note: Although a simulation does not have effect as between the parties, its lack of effect may not be asserted against third parties, such as creditors or bona fide purchasers, to avoid liability.


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