21 entries under separate topic. ×

24
external(adjective, place, remote, surface)
23
outside(adjective, place, obvious, objective)
18
exterior(noun, adjective, place, surface)
18
outward(adjective, place, surface, obvious)
15
surface(noun, adjective, place, out)
7
extraneous(adjective, out, exposed, superficial)
7
out(apparent, noticeable, outside, external)
7
outermost(adjective, obscure, distant, out)
6
foreign(adjective, out, superficial, outside)
5
outdoor(adjective, out, outside, external)
4
alien(adjective, out, exposed, superficial)
3
alfresco(out, outside, external, foreign)
3
over(adjective, place, out, exposed)
2
extramural(out, outside, external, foreign)
2
farthest(adjective, out, outside, external)
2
furthest(adjective, out, outside, external)
1
away from(expression, out, outside, external)
1
extreme(out, outside, external, foreign)
1
farther(out, outside, external, foreign)
1
open-air(out, outside, external, foreign)
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APASmart Define. (2015). outer thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/outer/thesaurus/synonyms
ChicagoSmart Define. 2015. "outer thesaurus" https://smartdefine.org/outer/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, outer thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/outer/thesaurus/synonyms>.
MLASmart Define. "outer thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/outer/thesaurus/synonyms>