Martian
adj//ˈmɑɹʃən//marsiansk, marsian, marsmänniska, marsianska
Of or relating to the planet Mars, or (science fiction) its imagined inhabitants. [from 19th c.]
(astrology) A person under the astrological influence of the planet Mars.
(chiefly, science fiction) An inhabitant of the planet Mars.
(science fiction) A hypothetical language spoken on Mars.