controller
noun
con·trol·ler
kən-ˈtrō-lər 
ˈkän-ˌtrō-
ˈkän-ˌtrō-
1
c
: the chief accounting officer of a business enterprise or an institution (such as a college)
2
b
Examples of controller in a Sentence
the controllers for the video game system seem fairly well designed
Recent Examples on the Web
According to Goldstein, the current issues with eVTOLs operating without pilots are a mixture of regulatory, infrastructure in terms of communicating with other aircraft and controllers on the ground, and consumer acceptance.
—
James Bickerton, MSNBC Newsweek, 25 Oct. 2025
Many Federal Aviation Administration facilities are so critically short on controllers that just a few absences can cause disruptions, and Transportation Secretary Sean Duffy has said that more air traffic controllers have been calling in sick since the shutdown began.
—Preston Fore, Fortune, 25 Oct. 2025
Duffy said a lack of controllers would lead to reduced flights.
—Bart Jansen, USA Today, 24 Oct. 2025
The glasses feature a small controller worn in the delivery vest that contains operational controls, a swappable battery ensuring all-day use, and a dedicated emergency button to reach emergency services along their routes if needed.
—Glenn Taylor, Sourcing Journal, 23 Oct. 2025
See All Example Sentences for controller
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James Bickerton, MSNBC Newsweek, 25 Oct. 2025
Many Federal Aviation Administration facilities are so critically short on controllers that just a few absences can cause disruptions, and Transportation Secretary Sean Duffy has said that more air traffic controllers have been calling in sick since the shutdown began.
—Preston Fore, Fortune, 25 Oct. 2025
Duffy said a lack of controllers would lead to reduced flights.
—Bart Jansen, USA Today, 24 Oct. 2025
The glasses feature a small controller worn in the delivery vest that contains operational controls, a swappable battery ensuring all-day use, and a dedicated emergency button to reach emergency services along their routes if needed.
—Glenn Taylor, Sourcing Journal, 23 Oct. 2025
See All Example Sentences for controller
Cite this Entry
“Controller.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/controller. Accessed 29 Oct. 2025.
Copy CitationKids Definition
controller
noun
con·trol·ler
kən-ˈtrō-lər
ˈkän-ˌtrō-lər
ˈkän-ˌtrō-lər
1
: the chief accounting officer of a business or institution
2
: a person who controls
an air traffic controller
Legal Definition
controller
noun
con·trol·ler
kən-ˈtrō-lər, ˈkän-ˌtrō-
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