Martian: meaning, definitions and examples

Used specifically to describe something related to the planet Mars or its hypothetical inhabitants. It emphasizes a direct connection to Mars.

• The rover sent back pictures of the Martian landscape.
• Scientists are studying the possibility of Martian life.

A more formal and scientific term used to describe anything that originates outside Earth. It is often used in academic or research contexts.

• Researchers are constantly on the lookout for extraterrestrial signals.
• The discovery of an extraterrestrial microorganism would be groundbreaking.

A broad term used for any being from another planet. It often carries a sense of unfamiliarity and can sometimes have a negative connotation, implying something or someone foreign or unknown.

• The movie was about aliens invading Earth.
• People sometimes feel like aliens when they move to a new country.