martian

adjective

mar·​tian ˈmär-shən How to pronounce martian (audio)
variants often Martian
: of or relating to the planet Mars or its hypothetical inhabitants
martian noun
often Martian

Examples of martian in a Sentence

Recent Examples on the Web
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As humanity moves from brief space missions toward longer stays — driven by commercial ambitions for moon bases and eventual Martian settlements — scientists are beginning to confront how the conditions of space may affect human reproduction. Sharmila Kuthunur, Space.com, 4 Feb. 2026 At the end of 2024, after years in the trenches of Jezero, Perseverance summitted the steep Martian crater to begin the next leg of its journey exploring the rim. Eric Lagatta, USA Today, 4 Feb. 2026 That was the impetus for NASA’s Martian rovers, including this century’s Curiosity and Perseverance missions, which are still active today. Richard Tribou, The Orlando Sentinel, 30 Jan. 2026 According to the filing, Lively and her husband, Ryan Reynolds, messaged with Damon and his wife, Luciana, on May 17, 2024, inviting the Martian star and his family to view Lively's IEWU cut. Wesley Stenzel, Entertainment Weekly, 21 Jan. 2026 See All Example Sentences for martian

Word History

First Known Use

1880, in the meaning defined above

Time Traveler
The first known use of martian was in 1880

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Cite this Entry

“Martian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/martian. Accessed 7 Feb. 2026.

Kids Definition

Martian

adjective
Mar·​tian
ˈmär-shən
: of or relating to the planet Mars or its supposed inhabitants
Martian noun

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