Extra-terrestrial

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Alternative spelling of extraterrestrial. alt-of, alternative

Synonyms

All synonyms
alienalienarcanebarbarianbarbaricbarbarous

Example

More examples

"Some scientists believe that our first contact with extra-terrestrial life will occur in the next decade or so."

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.