41 entries under alien topic. ×

16
foreign(adjective, different, outside, external)
11
outside(adjective, different, external, foreign)
10
commercial(adjective, different, outside, external, foreign)
8
exotic(adjective, different, outside, external, foreign)
8
outlandish(adjective, different, outside, external, foreign)
8
unfamiliar(adjective, different, outside, external, foreign)
8
extraneous(adjective, different, outside, external, foreign)
8
unaccustomed(adjective, different, outside, external, foreign)
6
overseas(adjective, different, outside, external, foreign)
6
remote(adjective, different, outside, external, foreign)
6
transoceanic(adjective, different, outside, external, foreign)
6
unexplored(adjective, different, outside, external, foreign)
6
unknown(adjective, different, outside, external, foreign)
5
external(adjective, different, outside, foreign)
5
extrinsic(adjective, different, outside, external, foreign)
5
strange(adjective, different, outside, external, foreign)
5
adopted(adjective, different, outside, external, foreign)
5
alienated(adjective, different, outside, external, foreign)
5
antipodal(adjective, different, outside, external, foreign)
5
barbarian(adjective, different, outside, external, foreign)
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APASmart Define. (2016). home thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/home/thesaurus/antonyms
ChicagoSmart Define. 2016. "home thesaurus" https://smartdefine.org/home/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, home thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/home/thesaurus/antonyms>.
MLASmart Define. "home thesaurus" 28 March 2016. Web. 25 September 2026. <https://smartdefine.org/home/thesaurus/antonyms>