- Definitions|1
- Thesaurus|464
- Abbreviations|0
110 entries under adjective topic. ×
| alien(noun, extraneous, not human) | |
| celestial(excellent, sweet, wonderful, fantastic) | |
| supernatural(excellent, sweet, wonderful, exceptional) | |
| unearthly(fantastic, abstract, spiritual) | |
| unworldly(fantastic, spiritual) | |
| foreign(outside, external, extraneous) | |
| exotic | |
| ethereal(fantastic, abstract, spiritual) | |
| heavenly(excellent, sweet, wonderful, exceptional) | |
| Martian(noun, alien, celestial) | |
| strange | |
| extrinsic(outside, external, extraneous) | |
| divine(excellent, sweet, wonderful, fantastic) | |
| paradisal | |
| external(outside, extraneous) | |
| eerie(extraneous, not human) | |
| exterior(noun, outside, external) | |
| extraneous(outside, external, extraneous) | |
| outside(external, extraneous) | |
| supernal(excellent, sweet, wonderful, fantastic) |
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| APA | Smart Define. (2016). extraterrestrial thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/extraterrestrial/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "extraterrestrial thesaurus" https://smartdefine.org/extraterrestrial/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, extraterrestrial thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/extraterrestrial/thesaurus/synonyms>. |
| MLA | Smart Define. "extraterrestrial thesaurus" 15 March 2016. Web. 25 September 2026. <https://smartdefine.org/extraterrestrial/thesaurus/synonyms> |