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.
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Recent Examples on the Web In virtually any simulation of the near future, the over 1,000 individual islands that make up the Maldives will be some of the first to disappear below the rising sea level. Caroline Delbert, Popular Mechanics, "The World’s First True Floating Island City Could Reimagine Survival," 27 Apr. 2021 Make a simulation at home that also gives your arm exercise from lots of whisking. Ben Mims, Los Angeles Times, "How 2020 changed cooking for the better," 19 Mar. 2021 The Rayy has developed a special technology to craft gold surfaces via a process using high-precision tools and advanced optical simulation so that a message appears when the ring hits the sunlight. Paige Reddinger, Robb Report, "13 Beautiful Pieces of High-End Jewelry to Treat Your Mom This Mother’s Day," 22 Apr. 2021 This sensory experience of the past helps with immersion, simulation and getting to know a place better than ever before. Tom Vander Ark, Forbes, "How Smart Machines Are Improving History And Civics Education," 20 Apr. 2021 The newcomers include analyst Tyler Burch, who was with the Argonne National Laboratory developing particle physics simulation and machine learning to run on the Aurora supercomputer., "Some predictions for the 2021 major league baseball season," 27 Mar. 2021 Ten games into the 2020 season in our MLB The Show simulation and the Rockies are 7-3 and share the lead in the National League West. Joe Nguyen, The Denver Post, "MLB The Show 20 simulation: Rockies stats, league standings, through April 6," 6 Apr. 2020 Where does modeling and simulation specifically come into play? Prince Ghosh, Forbes, "Meet Turing Labs - The Y-Combinator Backed Startup Building “Palantir For The CPG Industry”," 15 Apr. 2021 The weather service tweeted around 9 a.m. Friday that its latest model simulation for smoke shows considerable near-surface smoke across Graham, Eastern Pinal and southern Greenlee counties. Jamie Landers, The Arizona Republic, "Extreme drought fueling Margo Fire, burning 500 acres and evacuating hundreds in Dudleyville," 9 Apr. 2021

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.

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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

Time Traveler

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

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Statistics for simulation

Last Updated

14 May 2021

Cite this Entry

“Simulation.” Dictionary, Merriam-Webster, Accessed 14 May. 2021.

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More Definitions for simulation



English Language Learners Definition of simulation

: something that is made to look, feel, or behave like something else especially so that it can be studied or used to train people


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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