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Synonyms

simulate

American  
[sim-yuh-layt, sim-yuh-lit, -layt] / ˈsɪm jəˌleɪt, ˈsɪm jə lɪt, -ˌleɪt /

verb (used with object)

  • simulates,
    present (3rd person singular)
  • simulated,
    past participle,  past
  • simulating
    present participle
  1. to create a simulation, likeness, or model of (a situation, system, or the like).

    to simulate crisis conditions.

  2. to make a pretense of; feign.

    to simulate knowledge.

    Synonyms:
    counterfeit, pretend
  3. to assume or have the appearance or characteristics of.

    He simulated the manners of the rich.

    Synonyms:
    affect

adjective

  1. Archaic. simulated.

simulate British  

verb

  1. to make a pretence of; feign

    to simulate anxiety

  2. to reproduce the conditions of (a situation, etc), as in carrying out an experiment

    to simulate weightlessness

  3. to assume or have the appearance of; imitate

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

  1. archaic assumed or simulated

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

Inflected Forms

Participles

Conjugated Forms

Present

Past

Future


Etymology

Origin of simulate

1400–50; late Middle English (adj.) < Latin simulātus (past participle of simulāre ), equivalent to simul- (variant of simil-, base of similis similar ) + -ātus -ate 1


Explanation

When you simulate something, you imitate it. Hollywood makeup artists can use pencils and gray wigs to simulate old age in a young actor. It can also mean to model — a computer can simulate disaster scenarios in cities. If you really admire someone's calm-under-pressure attitude, you may try to simulate their demeanor. When opening a present, it's polite to simulate surprise and excitement about the gift item, even if you already have it or it is ugly as dirt. Don't try to simulate your parents' signatures on excuse cards, though — signatures are unique to individuals and impossible to simulate perfectly.

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Vocabulary lists containing simulate

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Next, the hackers play pre-recorded videos of previous victims the target is acquainted with to simulate a legitimate call – except that the audio would appear to malfunction.

From BBC ● Nov. 13, 2026

“And instead of having to guess or A/B test with millions of users, because we have all this user data, we’re able to create other AI agents to simulate billions of consumer interactions,” she said.

From The Wall Street Journal ● Nov. 11, 2026

These models use established physical principles to simulate how Earth's atmosphere, oceans, ice, and land respond to changes in the climate system.

From Science Daily ● Oct. 30, 2026

The free portion of Boldin does not simulate Roth conversion activity — you have to pay for that level of analysis.

From MarketWatch ● Oct. 15, 2026

Normally the big cats were not given food one day a week, to simulate conditions in the wild.

From "Life of Pi" by Yann Martel

The strategic board wargame was released in 1978 and simulates the entire North African campaign of World War Two.

From BBC ● Sep. 26, 2026

The team used a sophisticated shock physics code that simulates how high speed impacts break apart solid rock and create permeable regions.

From Science Daily ● Jul. 2, 2026

It also simulates the behavior of floating ice shelves, including those in the Ross and Weddell Seas.

From Science Daily ● May 29, 2026

A companion chatbot is a computer program that simulates human conversations to provide users with entertainment or emotional support.

From Los Angeles Times ● Apr. 20, 2026

Others, led by an instinct that simulates foresight, merely lay their eggs on a leaf so that a browsing caterpillar will eat them inadvertently.

From "Silent Spring" by Rachel Carson

Before Wingstop launched its loyalty program called Club Wingstop earlier this year, AWS stress-tested the system with huge volumes of simulated traffic to make sure it would hold up on busy days.

From The Wall Street Journal ● Nov. 14, 2026

Paralives is a life-simulation game, a category in which players control the lives of simulated people in a virtual world, including their relationships, looks, homes and careers.

From Barron's ● Nov. 13, 2026

During a simulated bacterial challenge, CBN reduced the body's ability to defend itself.

From Science Daily ● Oct. 25, 2026

In a simulated environment, A.I. agents were each tasked with running a vending machine and told to maximize profits.

From Slate ● Oct. 25, 2026

The crew quarters stood against the outer hull of the constantly spinning ship to maximize simulated gravity.

From "The Martian" by Andy Weir

All participants had a live conversation with a clinician and a professional interpreter, simulating the informational discussion of the risks and benefits which typically precedes myeloma treatment.

From Slate ● Oct. 16, 2026

The Maryland team also used a hybrid quantum system, but their experiment focused on simulating the Yukawa potential, a mathematical description of an interaction relevant to nuclear and particle physics.

From Science Daily ● Oct. 13, 2026

For Ronald Kline, a historian at Cornell University, "the phrase 'super intelligence' means more than simulating human intelligence, it means going beyond human intelligence," he told AFP.

From Barron's ● Oct. 9, 2026

In recent years it has stepped up military drills near Taiwan, including simulating blockades on the island.

From BBC ● Jun. 22, 2026

The head zoo keeper ordered a crane operator, who was standing by, to drop a navy blue canopy over the dome, thus simulating Earthling night inside.

From "Slaughterhouse-Five" by Kurt Vonnegut

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