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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Escapade is actually a pair of spacecraft headed to Mars to study how the solar wind affects the Martian atmosphere. Joe Palca, NPR, 26 Feb. 2026 Adding an additional Martian year, roughly two of ours, will allow the Emirates Mars Mission (EMM) to gather more data on seasonal changes. Mohammed Sergie, semafor.com, 20 Feb. 2026 What would a Martian childhood be like? Literary Hub, 20 Feb. 2026 Watney ekes out an existence by eating potatoes sowed in Martian soil fertilized by his own feces. Big Think, 19 Feb. 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 27 Feb. 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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