controller

noun

con·​trol·​ler kən-ˈtrō-lər How to pronounce controller (audio) ˈkän-ˌtrō- How to pronounce controller (audio)
1
c
: the chief accounting officer of a business enterprise or an institution (such as a college)
2
a
: one that controls or has power or authority to control
air traffic controller
controllership
kən-ˈtrō-lər-ˌship How to pronounce controller (audio)
ˈkän-ˌtrō-
noun

Examples of controller in a Sentence

the controllers for the video game system seem fairly well designed
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
And since air traffic controllers are critical in preventing collisions, the fact that there's a nationwide staffing shortage potentially leading to overworked controllers may not be helping those fears. Sabrina Moreno, Axios, 20 Feb. 2025 Simply put, at the time of the accident, the plane was being handled by Canadian controllers, though there is no indication so far that that was a contributing factor. Zach Wichter, USA TODAY, 20 Feb. 2025 Muse was given one second of real human gameplay – both visual information and controller inputs – and then another nine seconds of just controller inputs, to see how the model was learning to generate accurate visuals. Tom Rogers, Newsweek, 20 Feb. 2025 In late 2023, when close calls at airports dominated the headlines, the FAA responded with a flurry of recommendations, including accelerating controller hiring. Barbara Peterson, AFAR Media, 20 Feb. 2025 See All Example Sentences for controller

Word History

Etymology

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

First Known Use

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

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

Browse Nearby Entries

Cite this Entry

“Controller.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/controller. Accessed 3 Mar. 2025.

Kids Definition

controller

noun
1
: the chief accounting officer of a business or institution
2
: a person who controls
an air traffic controller
3

Legal Definition

controller

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

More from Merriam-Webster on controller

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