- Definitions|1
- Thesaurus|464
- Abbreviations|0
11 entries under expression topic. ×
| space being(noun, idiom, being, alien) | |
| space invader(noun, idiom, alien) | |
| extraterrestrial being(noun, idiom) | |
| from on high | |
| saucer man | |
| creature from outer space(noun, idiom, alien) | |
| hypothetical creature | |
| intelligent life form(noun, idiom) | |
| new arrival | |
| outer space | |
| very pleasant(adjective, wonderful, fantastic, divine) |
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| APA | Smart Define. (2016). extraterrestrial thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/extraterrestrial/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "extraterrestrial thesaurus" https://smartdefine.org/extraterrestrial/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, extraterrestrial thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/extraterrestrial/thesaurus/synonyms>. |
| MLA | Smart Define. "extraterrestrial thesaurus" 15 March 2016. Web. 22 September 2026. <https://smartdefine.org/extraterrestrial/thesaurus/synonyms> |