martian: meaning, definition, pronunciation and examples
C1Neutral to formal in scientific contexts; informal in science fiction and popular culture.
Quick answer
What does “martian” mean?
Relating to the planet Mars.
Audio
Pronunciation
Definition
Meaning and Definition
Relating to the planet Mars.
An inhabitant of Mars, real or hypothetical; by extension, an extraterrestrial or something so strange or foreign as to seem not of this world.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or spelling. Capitalisation (Martian) is common in both when referring directly to the planet or in formal contexts.
Connotations
In both varieties, the primary connotation is science-fictional. The word is culturally loaded due to media (e.g., 'War of the Worlds').
Frequency
Slightly higher frequency in American English due to a larger volume of science fiction media and space exploration discourse, but the difference is marginal.
Grammar
How to Use “martian” in a Sentence
[Adjective] + noun (e.g., martian terrain)Noun as subject/object (e.g., The martian spoke.)Vocabulary
Collocations
Examples
Examples of “martian” in a Sentence
verb
British English
- The film 'Mars Attacks!' imagines how Martians might martianise our world.
- Some stories martian the protagonist, having them adapt to the red planet.
American English
- The novel explored what would happen if we could martian Earth's deserts.
- He joked about wanting to martian his backyard for a sci-fi party.
adverb
British English
- The terrain looked martianly barren and red.
- He behaved so martianly that we couldn't understand him.
American English
- The designed landscape was martianly desolate.
- She spoke martianly, using jargon nobody knew.
adjective
British English
- The rover is studying the Martian landscape for signs of ancient life.
- Her theories about Martian canals were once popular.
American English
- NASA's goal is a Martian colony by the 2040s.
- The movie featured a realistic Martian dust storm.
Usage
Meaning in Context
Business
Rare, except in branding or project names related to space technology (e.g., 'Our Martian exploration initiative').
Academic
Common in astronomy, planetary science, and astrobiology papers (e.g., 'analysing Martian geological samples').
Everyday
Used in discussions about space, science fiction films/books, or humorously to describe odd behaviour (e.g., 'Your idea sounds positively martian!').
Technical
Precise term in space science for anything pertaining to the planet Mars (e.g., 'Martian regolith properties').
Vocabulary
Synonyms of “martian”
Strong
Neutral
Vocabulary
Antonyms of “martian”
Watch out
Common Mistakes When Using “martian”
- Misspelling as 'martian' (correct: two 't's? Actually, it's one 't': m-a-r-t-i-a-n). Confusion with 'Martian' (capitalised) vs. 'martian' (lowercase) – capitalisation is often preferred in formal contexts.
FAQ
Frequently Asked Questions
Not always. Capitalisation (Martian) is common and often preferred when referring specifically to the planet Mars (like 'Martian atmosphere'). In the sense of a generic alien or in informal use, lower case (martian) is acceptable.
Standard dictionaries do not list it as a verb. However, in creative or science fiction contexts, it can be used informally to mean 'to make like Mars' or 'to adapt for Mars' (e.g., 'to martian a habitat'). This is non-standard and rare.
'Martian' specifically denotes an origin from Mars. 'Alien' is a broader term for any being not from Earth. All Martians are aliens, but not all aliens are Martians.
In standard pronunciations (both UK /ˈmɑː.ʃən/ and US /ˈmɑːr.ʃən/), the 't' is not pronounced as a /t/ sound. It typically creates a 'sh' /ʃ/ sound, similar to words like 'partial'.
Relating to the planet Mars.
Martian is usually neutral to formal in scientific contexts; informal in science fiction and popular culture. in register.
Phrases
Idioms & Phrases
- “He might as well be from Mars (used to describe someone whose behaviour is inexplicable).”
Learning
Memory Aids
Mnemonic
Remember MARTIAN contains 'MARS' – the red planet it describes.
Conceptual Metaphor
THE UNKNOWN/OTHER IS ALIEN (Mars as the archetypal 'other' world).
Practice
Quiz
In which context is 'martian' LEAST likely to be used?