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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In addition to refining scientific models for the Martian environment, NASA plans to use the data to reduce risks to future robotic and crewed missions landing on Mars' surface. Josh Dinner, Space.com, 19 June 2026 The Aeolus mission, which will take a global survey of Martian winds, temperatures, dust and clouds, would launch on Relativity’s in-development Terran R rocket from Cape Canaveral Space Force Station’s Launch Complex 16, aiming for liftoff in 2028. Richard Tribou, The Orlando Sentinel, 18 June 2026 On that summer day five years ago, the Wyoming countryside seemed cast in a red, Martian glow. Joe Sills, Forbes.com, 14 June 2026 Vonnegut’s novel is a gem from a simpler era of possible space exploration, complete with the dumbest Martian invasion in literature, kitelike beings that subsist on Mercury’s vibrations, and, of course, Vonnegut’s perennial alien characters, the Tralfamadorians. Brianne Kane, Scientific American, 12 June 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 20 Jun. 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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