martian

adjective

mar·​tian ˈmär-shən 

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

That means that Olympus Mons, the extinct Martian volcano that at around 16 miles (26 kilometers) above the surrounding Martian plains is the largest mountain in the solar system, may in fact be a slumbering giant. — Robert Lea, Space.com, 4 Nov. 2026

Most Martian meteorites are just a couple billion years old, which has long vexed scientists, given that spacecraft observations of the Red Planet suggest much of its surface is more than 3 billion years old. — Arkansas Online, 2 Nov. 2026

At first, the rock was classified as a shergottite, the most common (and young) type of Martian meteorite. — Jacek Krywko, ArsTechnica, 30 Oct. 2026

Over 95 percent of the Martian atmosphere consists of carbon dioxide, making survival difficult. — Mrigakshi Dixit, Interesting Engineering, 27 Oct. 2026

Word History

First Known Use

1880, in the meaning defined above

Rhymes for martian

• darshan

Kids Definition

Martian

adjective

Mar·​tian

ˈmär-shən

: of or relating to the planet Mars or its supposed inhabitants

Martian noun