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
con·trol·ler·ship
kən-ˈtrō-lər-ˌship
ˈkän-ˌtrō-
plural -s
1
: the office of controller
2
: the position and functions of a controller
Examples of controller in a Sentence
Noun (1)
the controllers for the video game system seem fairly well designed
Recent Examples on the Web
Joel Rose,
NPR,
1 July 2026
Inside, more than 120 humanoids stand in neat rows, each performing a specific task repeatedly, from sorting packages or changing diapers to scooping popcorn, guided by human trainers with handheld controllers next to them.
—
John Liu,
CNN Money,
30 June 2026
Air traffic control audio obtained by LiveATC captured the helicopter pilot telling controllers the close encounter over the northern portion of Floyd Bennett Field.
—
Bonny Chu , Bradford Betz,
FOXNews.com,
30 June 2026
These components translate visual observations into navigation, object manipulation, and environmental interactions, while a real-time whole-body controller maintains balance, stability, and precise movements throughout the mission.
—
Jijo Malayil,
Interesting Engineering,
30 June 2026
See All Example Sentences for controller
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Noun
The system is thousands of controllers short of full staffing.
—
Joel Rose,
NPR,
1 July 2026
Inside, more than 120 humanoids stand in neat rows, each performing a specific task repeatedly, from sorting packages or changing diapers to scooping popcorn, guided by human trainers with handheld controllers next to them.
—
John Liu,
CNN Money,
30 June 2026
Air traffic control audio obtained by LiveATC captured the helicopter pilot telling controllers the close encounter over the northern portion of Floyd Bennett Field.
—
Bonny Chu , Bradford Betz,
FOXNews.com,
30 June 2026
These components translate visual observations into navigation, object manipulation, and environmental interactions, while a real-time whole-body controller maintains balance, stability, and precise movements throughout the mission.
—
Jijo Malayil,
Interesting Engineering,
30 June 2026
See All Example Sentences for controller
Cite this Entry
“Controller.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/controller. Accessed 5 Jul. 2026.
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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