martian

adjective

mar·​tian ˈmär-shən How to pronounce martian (audio)
often capitalized
: of or relating to the planet Mars or its hypothetical inhabitants
martian noun often capitalized

Examples of martian in a Sentence

Recent Examples on the Web
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Dark surface markings are clearly seen against the characteristic red tones of the dusty martian surface. Paul Smaglik, Discover Magazine, 25 Feb. 2025 The results suggested that outside of the planet’s frozen polar regions, the martian crust is essentially devoid of water down to about 5 kilometers deep. Christie Wilcox, science.org, 12 Aug. 2024 Between 2018 and 2022, InSight sat on the martian surface and used the robot’s three sensors to feel out the planet’s seismic activity. Christie Wilcox, science.org, 12 Aug. 2024 Get the full tutorial here » Martian and Astronaut For looks that are out of this world, try out a martian and astronaut costume this Halloween. Juliana Labianca, Good Housekeeping, 21 Aug. 2023 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 9 Mar. 2025.

Kids Definition

Martian

adjective
Mar·​tian
ˈmär-shən
: of or relating to the planet Mars or its supposed inhabitants
Martian noun

More from Merriam-Webster on martian

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