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
If Mark Zuckerberg takes the time to nominate you, we’ll certainly be intrigued, but that doesn’t shoot you to the top of our radar.
—
Alexandra York, Forbes.com, 15 Apr. 2025
From legacy and loss to accountability and advocacy, here are some of stories making on the radar this week.
—Oumou Fofana, Essence, 14 Apr. 2025
Right now, Moleskine is carried in department stores and independent retailers in those regions, but the goal is to open e-commerce and grow the direct business there as well with Rio de Janeiro and Mexico City on their radar as possible store locations.
—Jean E. Palmieri, Footwear News, 14 Apr. 2025
Although Southampton goalkeeper Aaron Ramsdale, 26, is on the club’s radar, the acquisition of a goalkeeper is not considered a priority.
—Roshane Thomas, New York Times, 12 Apr. 2025
See All Example Sentences for radar
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Alexandra York, Forbes.com, 15 Apr. 2025
From legacy and loss to accountability and advocacy, here are some of stories making on the radar this week.
—Oumou Fofana, Essence, 14 Apr. 2025
Right now, Moleskine is carried in department stores and independent retailers in those regions, but the goal is to open e-commerce and grow the direct business there as well with Rio de Janeiro and Mexico City on their radar as possible store locations.
—Jean E. Palmieri, Footwear News, 14 Apr. 2025
Although Southampton goalkeeper Aaron Ramsdale, 26, is on the club’s radar, the acquisition of a goalkeeper is not considered a priority.
—Roshane Thomas, New York Times, 12 Apr. 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 22 Apr. 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
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