Synonyms|221Antonyms|15|Broader|4Narrower|0Related|224

10 entries under idiom topic. ×

2
space being(noun, expression, being, alien)
2
space invader(noun, expression, alien)
1
extraterrestrial being(noun, expression)
1
from on high
1
saucer man
0
creature from outer space(noun, expression, alien)
0
hypothetical creature
0
intelligent life form(noun, expression)
0
new arrival
0
outer space
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APASmart Define. (2016). extraterrestrial thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/extraterrestrial/thesaurus/synonyms
ChicagoSmart Define. 2016. "extraterrestrial thesaurus" https://smartdefine.org/extraterrestrial/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, extraterrestrial thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/extraterrestrial/thesaurus/synonyms>.
MLASmart Define. "extraterrestrial thesaurus" 15 March 2016. Web. 27 September 2026. <https://smartdefine.org/extraterrestrial/thesaurus/synonyms>