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

Yet the bigger story sits inside the facility’s simulator bays. — Aamir Khollam, Interesting Engineering, 21 Aug. 2026

Caterpillar, Hyundai, and Komatsu are all developing their own simulators for training and eventual remote operation, but these remain largely based on traditional joystick controllers that still take time to learn. — New Atlas, 21 Aug. 2026

There are now 82 simulators that are used to train 860 pilots a day out of Denver. — Brian Sherrod, CBS News, 20 Aug. 2026

Model limitations and shortcomings The simulator can rate the relative efficacy of public policies. — Stefan Chavez-Norgaard, The Conversation, 20 Aug. 2026

Word History

Etymology

simulate + -or entry 1

First Known Use

1835, in the meaning defined above

Rhymes for simulator

• activator
• actuator
• agitator
• alligator
• allocator
• alternator
• animator
• annotator
• applicator
• arbitrator
• aspirator
• aviator

Kids 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