adj
Terran
TEH-ruhn
adj
1
Relating to Earth or its inhabitants (chiefly in science fiction).
"The alien commander studied terran defence systems."
noun
1
An inhabitant of Earth (chiefly in science fiction).
"The Terrans built the first colony on Mars."
How to Use Terran
Learner’s notesIn plain EnglishA science-fiction word for "Earthling" or "of Earth."
When to use it
Mostly seen in science fiction, games, and fantasy writing rather than everyday speech.
Word Forms
Terrans plural
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The alien commander studied _____ defence systems.
Etymology
From Terra ("Earth") + the adjective-forming suffix -an.