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Definitions

radar

[rey-dahr] / ˈreɪ dɑr /
NOUN
radio detecting and ranging
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Detection is the foundation: radar, radio-frequency sensing, acoustic systems and electro-optical cameras that establish airspace awareness before a threat materializes.

From MarketWatch • Apr. 13, 2026

Prime Minister Keir Starmer was spearheading an effort to organize a coalition that’s able to “collectively ensure” the Strait of Hormuz stays open, including by potentially providing demining equipment, radar technology and frigates.

From MarketWatch • Apr. 9, 2026

The 66-year-old engineer at one time helped design radar and sonar systems for the U.S. military.

From The Wall Street Journal • Apr. 9, 2026

Now the Cougars are no longer under the radar.

From Los Angeles Times • Apr. 7, 2026

Soviet radar picked up the American planes the moment they neared the border.

From "Fallout: Spies, Superbombs, and the Ultimate Cold War Showdown" by Steve Sheinkin




Vocabulary lists containing radar