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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A little more than three years since NASA’s Ingenuity helicopter ended its pioneering mission at Mars, engineers at the Jet Propulsion Laboratory in California are designing next-generation Martian rotorcraft to carry heavier payloads longer distances through the planet’s low-density atmosphere. ArsTechnica, 8 May 2026 To manage this risk, the Ingenuity team strictly capped rotational speeds at 2,700 rpm and maintained a safety buffer to avoid the unpredictable physics of the sound barrier and potential turbulence from Martian dust devils. Mrigakshi Dixit, Interesting Engineering, 8 May 2026 On the penny's surface, reddish Martian dust has collected over the 14 months that the mission had already been on Mars by that point. Chelsea Gohd, Space.com, 6 May 2026 At the end of 2024, after years in the trenches of Jezero, Perseverance summited the steep Martian crater to begin the next leg of its journey on the rim. Eric Lagatta, USA Today, 30 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 11 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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