18 entries under surface topic. ×

16
outside(noun, adverb, open, out)
8
open air(noun, expression, idiom, open)
8
open(noun, exterior, front, outside)
5
exterior
4
without(noun, adverb, open, out)
1
integument(exterior, front)
0
covering(exterior, front)
0
exterior out-of-doors(expression, exterior, front)
0
external surface(expression, exterior)
0
facade(exterior, front)
0
face(exterior, front)
0
front
0
outer surface(expression, exterior)
0
seeming(exterior, front)
0
sheath(exterior, front)
0
skin(exterior, front)
0
topside(noun, exterior, front, open-air)
-1
appearance(exterior, front)
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APASmart Define. (2015). outdoors thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/outdoors/thesaurus/synonyms
ChicagoSmart Define. 2015. "outdoors thesaurus" https://smartdefine.org/outdoors/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, outdoors thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/outdoors/thesaurus/synonyms>.
MLASmart Define. "outdoors thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/outdoors/thesaurus/synonyms>