con·​trol·​ler | \ kən-ˈtrō-lər How to pronounce controller (audio) , ˈkän-ˌtrō- How to pronounce controller (audio) \

Definition of controller

c : the chief accounting officer of a business enterprise or an institution (such as a college)
2a : one that controls or has power or authority to control air traffic controller

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Other Words from controller

controllership \ kən-​ˈtrō-​lər-​ˌship How to pronounce controllership (audio) , ˈkän-​ˌtrō-​ \ noun

Synonyms for controller


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Examples of controller in a Sentence

the controllers for the video game system seem fairly well designed
Recent Examples on the Web Also, the integrated trailer-brake controller and other creature comforts will be nice. Car and Driver, "How We'd Spec It: Trucks the Way C/D Editors Would Get Them," 14 May 2020 Animal Crossing: New Horizons Good for: Everyone who can hold a controller and especially people who love video games. Kelly Lawler, USA TODAY, "The best games to play on Zoom during quarantine if you're bored by making chit-chat," 14 May 2020 About 900 workers, including traffic controllers and bus fare tellers, will take a 90% pay cut while maintaining their health care. Joe Guillen, Detroit Free Press, "Duggan to cut $50 million from city workforce as Detroit faces massive budget hole," 15 Apr. 2020 However, to completely power an RV may require 500 or more watts, which requires large solar panels taking a substantial amount of space, extra batteries for storage, a charge controller, and an inverter. The Editors, Field & Stream, "Three Keys to Buying a Solar Charger for Your RV or Boat," 10 Apr. 2020 Tesla released a video on YouTube that outlines how company engineers are repurposing car parts, like vehicle controllers and infotainment systems, to build ventilators. Courtney Linder, Popular Mechanics, "How Tesla Engineers Are Using Model 3 Parts to Build Ventilators," 6 Apr. 2020 Another employee’s daughter works as the controller and the other daughter runs the company’s social media. Georgann Yara, azcentral, "'My family runs a business differently than others.' Central Arizona Supply builds business slow and steady," 9 Feb. 2020 Stormi grabbed his Playstation 4 controller and got to work. Ineye Komonibo,, "Stormi Crashed Travis Scott’s Live Performance & Stole The Show," 27 Apr. 2020 USA Truck said its corporate controller, Zachary King, would succeed Mr. Bates as finance chief. Mark Maurer, WSJ, "Daseke Hires Away USA Truck’s CFO," 23 Apr. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'controller.' 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 controller

15th century, in the meaning defined at sense 1a

History and Etymology for controller

Middle English countreroller, from Anglo-French contreroulur, from contreroule

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Time Traveler for controller

Time Traveler

The first known use of controller was in the 15th century

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Statistics for controller

Last Updated

18 May 2020

Cite this Entry

“Controller.” Dictionary, Merriam-Webster, Accessed 25 May. 2020.

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More Definitions for controller


How to pronounce controller (audio) How to pronounce controller (audio)

English Language Learners Definition of controller

: a person who is in charge of the money received and paid out by a business or college
: a person who directs the action of something
: a device or piece of equipment used to operate a machine, vehicle, or system


con·​trol·​ler | \ kən-ˈtrō-lər, ˈkän-ˌtrō- How to pronounce controller (audio) \

Legal Definition of controller

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