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.
Venus shines brightly in the west, while amber orange-colored Mars is visible high up in the eastern sky. Ashley Strickland, CNN, 11 Feb. 2025 However, a year on Mars is about 687 Earth days long, making each season longer than those on our planet. Shigeyuki Hando, WIRED, 11 Feb. 2025 More Gaga news:Singer performs LA tribute with Bruno Mars at Grammys Gaga is no stranger to the Super Bowl. Edward Segarra, USA TODAY, 10 Feb. 2025 The generator—a luxury no Mars mission would be likely to have—had broken down. Dhruv Khullar, The New Yorker, 10 Feb. 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

Dictionary Entries Near Mars

Cite this Entry

“Mars.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Mars. Accessed 19 Feb. 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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