say it: MAHR-shuhn
martian is a noun and adjective meaning "imaginary people who live on the planet Mars". It carries 2 recorded senses.
imaginary people who live on the planet Mars
of or relating to the planet Mars (or its fictional inhabitants)
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for martian come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.