110 entries under adjective topic. ×

23
alien(noun, extraneous, not human)
12
celestial(excellent, sweet, wonderful, fantastic)
10
supernatural(excellent, sweet, wonderful, exceptional)
10
unearthly(fantastic, abstract, spiritual)
9
unworldly(fantastic, spiritual)
9
foreign(outside, external, extraneous)
6
exotic
4
ethereal(fantastic, abstract, spiritual)
4
heavenly(excellent, sweet, wonderful, exceptional)
4
Martian(noun, alien, celestial)
4
strange
3
extrinsic(outside, external, extraneous)
3
divine(excellent, sweet, wonderful, fantastic)
3
paradisal
2
external(outside, extraneous)
2
eerie(extraneous, not human)
2
exterior(noun, outside, external)
2
extraneous(outside, external, extraneous)
2
outside(external, extraneous)
2
supernal(excellent, sweet, wonderful, fantastic)
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APASmart Define. (2016). extraterrestrial thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/extraterrestrial/thesaurus/synonyms
ChicagoSmart Define. 2016. "extraterrestrial thesaurus" https://smartdefine.org/extraterrestrial/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, extraterrestrial thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/extraterrestrial/thesaurus/synonyms>.
MLASmart Define. "extraterrestrial thesaurus" 15 March 2016. Web. 25 September 2026. <https://smartdefine.org/extraterrestrial/thesaurus/synonyms>