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Definition of controller

controller

/kənˈtroʊ.lər/
con · trol · ler

Plural:controllers
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controller Lexical Profile

controller Game Scores & Validity

• noun

1

A handheld device, mechanism, or electronic component used to operate, regulate, or play a machine, computer system, or video game console.

Example

"She plugged the wireless controller into the console to recharge its battery before starting the game."


2

A person who directs, regulates, or manages a system, operation, or organization, such as an air traffic controller.

Example

"The air traffic controller calmly guided the commercial jet through the heavy fog toward the runway."


3

A senior financial executive or public official responsible for overseeing accounting, auditing, budgeting, and financial reporting within a corporation or government agency.

Example

"The corporate controller presented the quarterly financial audit to the board of directors."

Synonyms
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Antonyms
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Word Nuance & Usage

In financial and governmental contexts, 'controller' is often spelled 'comptroller' (a historical respelling influenced by French 'compte', meaning account), though both words are pronounced identically and refer to the same executive role.

• Rhymes for controller

Word Origin & Etymology

From Middle English 'countrollour', borrowed from Anglo-French 'contrerollour', ultimately from Medieval Latin 'contrarotulator', meaning one who keeps a counter-roll or duplicate register used to verify official accounts.

Cite this Entry


Wordmom. (2026). Definition of Controller. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/controller
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