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 controller (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 Luna also has a companion controller that might make gameplay more satisfying. Courtney Linder, Popular Mechanics, "Everything You Need to Know About Amazon Luna," 26 Jan. 2021 Kim started out working as a financial analyst at a bank and a controller for a manufacturing company. Marisa Schultz, Fox News, "Rep.-elect Young Kim brings empathetic approach to immigration: I have 'gone through the process'," 1 Jan. 2021 All of the games on this list are easy to pick up and play, even if some members of your digital holiday bash have barely touched a controller. Michael Andronico, CNN Underscored, "7 great family games for hosting a virtual game night," 22 Dec. 2020 That evening, Janari was playing with his best friend, Kyler, who was heading into his grandmother’s rowhouse to get a video game controller while Janari waited in the courtyard. William Lee,, "‘The face of Cabrini-Green’: A lost child, a legacy of failure and a changing neighborhood," 20 Dec. 2020 Previously an avid video game player, Bolton also strives to one day, sooner than later, be able to open and close his fingers to grasp and use a controller. Marcus Fuller, Star Tribune, "Apple Valley basketball star Jordan Bolton defying the odds after spinal cord injury," 4 Dec. 2020 His roles at the company have included finance analyst for Rhino UK, central financial manager, financial controller and, most recently, senior vp finance. Chris Eggertsen, Billboard, "Executive Turntable: Holiday Teams With Azoff, UMG Names Lead for Social Justice Task Force," 5 Feb. 2021 But the tradeoff for that thirst is Hellcat-adjacent acceleration and the ability to tow up to 8700 pounds when equipped with our example's $1195 towing package (Class IV receiver hitch, trailer-brake controller, and a spare tire). Mike Sutton, Car and Driver, "Tested: 2021 Dodge Durango SRT 392 Makes Powerful Sense," 15 Jan. 2021 Prices start at $1,599 for the two-outlet valve and controller; shower heads are purchased separately. Marc Saltzman, USA TODAY, "Don't rest on restroom technology. The flow of innovation can give you a smarter bathroom," 26 Dec. 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

26 Feb 2021

Cite this Entry

“Controller.” Dictionary, Merriam-Webster, Accessed 8 Mar. 2021.

Style: MLA
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More Definitions for controller



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) \

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