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
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In the ’70s, with America having demystified the moon, there was a massive push to explore Mars, a place that had long colonized our hopes and fears about what extraterrestrial life could be. Owen Gleiberman, Variety, 9 Mar. 2025 New markers in the race include U.S. astronauts returning to the Moon and the nation’s ambitious objective to land on Mars. David A. Deptula, Forbes, 9 Mar. 2025 The sun’s connection to Mars adds urgency to your communication. USA TODAY, 8 Mar. 2025 Gaga also won a Grammy for best pop duo/group performance alongside Mars. Mitchell Peters, Billboard, 8 Mar. 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 12 Mar. 2025.

Kids Definition

Mars

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

More from Merriam-Webster on Mars

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