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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Stunning new images from Europe's Mars Express orbiter reveal a rugged Martian landscape carved by catastrophic floods that once tore across the Red Planet billions of years ago. Samantha Mathewson, Space.com, 15 May 2026 Gravity Assist Will Accelerate Spacecraft During the close approach on May 15, the Psyche spacecraft will pass roughly 2,800 miles (4,500 kilometers) above the Martian surface while traveling at about 12,333 mph (19,848 kph). Jamie Carter, Forbes.com, 15 May 2026 The vehicle, which already capture a glimpse of Mars on its approach, will pass 2,800 mile above the Martian surface. Eric Lagatta, USA Today, 15 May 2026 Caused by sunlight-scattering dust in the Martian atmosphere, that unexpected brilliance seems to be planet-wide—save for a region near the world’s north pole. Meghan Bartels, Scientific American, 14 May 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 22 May. 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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