1
: the Roman god of war compare ares
2
: the planet fourth in order from the sun and conspicuous for its red color see Planets Table

Examples of Mars in a Sentence

Recent Examples on the Web
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.
Frazer ran a red light and hit two cars, including a Subaru driven by 37-year-old Fleetwood Mars Mozee, prosecutors said. Sara Schilling, Sacbee.com, 2 Apr. 2025 If all goes according to plan, the rover will touch down in 2030 in Oxia Planum, a plain in the northern hemisphere of Mars that harbors evidence of past water activity. Mike Wall, Space.com, 2 Apr. 2025 On Saturday -- as well as from April 11 to 12 -- the moon and Mars will come together and be joined by twin stars Castor and Pollux, according to EarthSky. Julia Jacobo, ABC News, 2 Apr. 2025 There's essentially no way humans are going to be on Mars while Trump is in office. Joshua Rhett Miller, MSNBC Newsweek, 2 Apr. 2025 See All Example Sentences for Mars

Word History

Etymology

Latin Mart-, Mars

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of Mars was in the 14th century

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Cite this Entry

“Mars.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Mars. Accessed 7 Apr. 2025.

Kids Definition

Mars

noun
: the planet fourth in order from the sun see planet

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