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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The mission has helped scientists understand how Mars lost its once-thick atmosphere, and has also collected extensive data on Martian dust storms, winds and auroras. Sharmila Kuthunur, Space.com, 16 Jan. 2026 In 2015, The Martian star talked to USA Today about taking time out of his busy filming schedule to teach Alexia to drive. Julie Tremaine, PEOPLE, 14 Jan. 2026 The Martian actor shares daughters Isabella, 19, Gia, 17, and Stella, 15, as well as stepdaughter Alexia, 25, with his wife. Lara Walsh, InStyle, 14 Jan. 2026 Traditional Earth-like processes simply do not work under Martian conditions. Rupendra Brahambhatt, Interesting Engineering, 11 Jan. 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

Browse Nearby Words

Cite this Entry

“Martian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/martian. Accessed 16 Jan. 2026.

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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