1. (nonstandard) Alternative letter-case form of Martian#English|Martian (“of or pertaining to the planet Mars”)

• (RP) IPA: /ˈmɑːʃən/
• (GA) enPR: märʹshən, IPA: /ˈmɑɹʃən/

martian (not comparable)

1. Of or relating to the planet Mars, or (science fiction) its imagined#Adjective|imagined inhabitants. [from 19th c.]
2. (astrology) Pertaining to the astrological influence#Noun|influence of the planet Mars; aggressive, bellicose. [from 14th c.]

   Synonyms: Martial

3. (obsolete) Pertaining to battle#Noun|battle or war#Noun|war; martial#Adjective|martial, military#Adjective|military. [15th–17th c.]
   • 1596, Edmund Spenser, The Faerie Qveene. […], part II (books IV–VI), London: Printed [by Richard Field] for VVilliam Ponsonbie, OCLC 932900760 ↗, book IV, canto V, stanza 6:

     The iudges which thereto ſelected were, / Into the Martian field adowne deſcended, / To deeme this doutfull caſe, for which they all contended.

• French: martien, martienne
• German: marsianisch, Mars-
• Italian: marziano, marziana
• Portuguese: marciano
• Russian: марсиа́нский
• Spanish: marciano, marciana

martian (plural martians)

1. (astrology) A person under the astrological influence#Noun|influence of the planet Mars.
2. (chiefly, science fiction) An inhabitant of the planet Mars.

   Synonyms: little green man, marsling, Marsling

   • 1895–1897, H[erbert] G[eorge] Wells, “The Cylinder Unscrews”, in The War of the Worlds, London: William Heinemann, published 1898, OCLC 699873 ↗, book I (The Coming of the Martians), page 28 ↗:

     Those who have never seen a living Martian can scarcely imagine the strange horror of their appearance. The peculiar V-shaped mouth with its pointed upper lip, the absence of brow ridges, the absence of a chin beneath the wedge-like lower lip, the incessant quivering of this mouth, the Gorgon groups of tentacles, [...]

   • 1923, Song Ong Siang, “The Third Decade (1839–49)”, in One Hundred Years’ History of the Chinese in Singapore: […], London: John Murray, […], OCLC 417315791 ↗, page 57 ↗:

     Like a philosopher, or rather the hermit crab, he [Hoo Keng Tuck] lives in complete retirement, looking out occasionally from his coign of vantage upon his luckless compatriots who are struggling to make this world a better place to live in for themselves and their children, pretty much as a Martian might watch the social activities of the earth's inhabitants.

• French: martien, martienne, Martien, Martienne
• German: Marsianer, Marsianerin, Marsbewohner, Marsbewohnerin, Marsmensch
• Italian: marziano, marziana
• Portuguese: marciano, marciana
• Russian: марсиа́нин
• Spanish: marciano, marciana

1. (science fiction) A hypothetical language spoken on Mars.

• French: martien
• German: Marsianisch
• Italian: marziano