often attributive
1
: a device or system consisting usually of a synchronized radio transmitter and receiver that emits radio waves and processes their reflections for display and is used especially for detecting and locating objects (such as aircraft) or surface features (as of a planet)
2
: range of notice
fell off the radar after losing their first three games
Examples of radar in a Sentence
The approaching planes were detected by radar.
Recent Examples on the Web
In any case, BNSF continues to be on their radar, so progress should be monitored.
—
Bill Stone, Forbes.com, 10 May 2025
Those exports include advanced fighter jets, missiles, radars and air-defense systems that experts say would play a pivotal role in any military conflict between Pakistan and India.
—Nectar Gan, CNN Money, 9 May 2025
Byers asked whether Jen Psaki—who was still President Biden’s press secretary but reportedly close to leaving the White House for a TV gig, and on the radar of several networks—offered a potential solution.
—Jon Allsop, New Yorker, 9 May 2025
That first radar outage led to hundreds of flights being canceled or delayed at the Newark airport in the past two weeks after the FAA slowed down traffic at the airport to ensure safety.
—Josh Funk, Chicago Tribune, 9 May 2025
See All Example Sentences for radar
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.
Bill Stone, Forbes.com, 10 May 2025
Those exports include advanced fighter jets, missiles, radars and air-defense systems that experts say would play a pivotal role in any military conflict between Pakistan and India.
—Nectar Gan, CNN Money, 9 May 2025
Byers asked whether Jen Psaki—who was still President Biden’s press secretary but reportedly close to leaving the White House for a TV gig, and on the radar of several networks—offered a potential solution.
—Jon Allsop, New Yorker, 9 May 2025
That first radar outage led to hundreds of flights being canceled or delayed at the Newark airport in the past two weeks after the FAA slowed down traffic at the airport to ensure safety.
—Josh Funk, Chicago Tribune, 9 May 2025
See All Example Sentences for radar
Cite this Entry
“Radar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radar. Accessed 14 May. 2025.
Copy CitationKids Definition
radar
noun
ra·dar
ˈrā-ˌdär 
: a device that sends out radio waves for detecting and locating an object by the reflection of the radio waves and that may use this reflection to find out the position and speed of the object
Etymology
from radio detecting and ranging
Love words? Need even more definitions?
Merriam-Webster unabridged
Share