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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What to read next In the book, there's a section that discusses introducing greenhouse gas to the Martian atmosphere in order for humans to walk around without a spacesuit. Sergio Pereira, Space.com, 24 Aug. 2026 The moon is about 14,913 miles (24,000 kilometers) from the Martian surface, and orbiters have observed it since the 1970s — including a recent flyby of the European Space Agency’s Hera mission in March 2025. Ashley Strickland, CNN Money, 20 Aug. 2026 Meanwhile, the Martian actor remixed the classic suit in a maroon blazer and matching slacks with a subtle sheen and nearly-invisible striped pattern. Lara Walsh, InStyle, 4 Aug. 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 1 Sep. 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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