simulator
noun
sim·u·la·tor
ˈsim-yə-ˌlā-tər 
: one that simulates
especially
: a device that enables the operator to reproduce or represent under test conditions phenomena likely to occur in actual performance
Examples of simulator in a Sentence
a flight simulator used by pilots
Recent Examples on the Web
That showed up as a potential issue early on during the simulator runs, so NASA and Lockheed Martin tried to ensure that the autopilot systems could provide backup in case the aircraft didn’t handle well in flight.
—
Jeremy Hsu,
ArsTechnica,
29 June 2026
Originally supposed to fly Sierra Space Dream Chaser test flight, but payload switched to an inert mass simulator because of potential Dream Chaser delays beyond October launch date.
—
Richard Tribou,
The Orlando Sentinel,
29 June 2026
Soon, Nvidia was touting virtual-reality simulators to train robots, and microchips to deploy in robot brains.
—
Stephen Witt,
New Yorker,
29 June 2026
Earlier this year, W5 placed an order for a server from a major manufacturer to include in a satellite communications simulator that the company planned to deliver in May.
—
Kif Leswing,
CNBC,
27 June 2026
See All Example Sentences for simulator
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Jeremy Hsu,
ArsTechnica,
29 June 2026
Originally supposed to fly Sierra Space Dream Chaser test flight, but payload switched to an inert mass simulator because of potential Dream Chaser delays beyond October launch date.
—
Richard Tribou,
The Orlando Sentinel,
29 June 2026
Soon, Nvidia was touting virtual-reality simulators to train robots, and microchips to deploy in robot brains.
—
Stephen Witt,
New Yorker,
29 June 2026
Earlier this year, W5 placed an order for a server from a major manufacturer to include in a satellite communications simulator that the company planned to deliver in May.
—
Kif Leswing,
CNBC,
27 June 2026
See All Example Sentences for simulator
Cite this Entry
“Simulator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/simulator. Accessed 6 Jul. 2026.
Copy CitationKids Definition
simulator
noun
sim·u·la·tor
ˈsim-yə-ˌlāt-ər
: one that simulates
especially
: a device that enables the operator to experience under test conditions events similar to those likely to occur in a real situation
Medical Definition
simulator
noun
sim·u·la·tor
ˈsim-yə-ˌlāt-ər
: a device that enables the operator to reproduce or represent under test conditions phenomena likely to occur in actual performance
a driving simulator used to study behavior in highway emergencies
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