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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The recent discoveries come as Curiosity and its fellow Perseverance rover continue to scour very different parts of the Martian surface. Eric Lagatta, USA Today, 23 Apr. 2026 The variety of organic molecules observed suggests that some chemical diversity has been preserved in ancient Martian sediments despite billions of years of diagenesis (the process by which sediment turns to rock) and radiation exposure. Leonard David, Space.com, 21 Apr. 2026 Europe is also responsible for the overall assembly of the landing platform and operating the rover on the Martian surface. Stephen Clark, ArsTechnica, 17 Apr. 2026 Visible changes to the Martian surface are more often marked by millions of years, not by dozens of them. Joseph Howlett, Scientific American, 17 Apr. 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 29 Apr. 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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