1
furthest(adjective, separate, out, outside, external)
1
light
1
open air(noun, expression, idiom, outdoors)
1
out(adjective, separate, outside, external, foreign)
1
out-of-doors(noun, adjective, adverb, outside, outdoors)
1
out of doors(noun, expression, adjective, idiom, outdoors)
1
outer(adjective, separate, out, outside, external)
1
outermost(adjective, separate, out, outside, external)
1
outward(adjective, separate, out, outside, external)
1
over(adjective, separate, out, outside, external)
1
plein-air
1
pneumatic
1
roomy
1
surface(adjective, separate, out, outside, external)
0
al fresco
0
beyond
0
bucolic surroundings(noun, expression, outdoors)
0
clear
0
foreign(adjective, separate, out, outside, external)
0
freestanding(separate, external, outdoor)
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APASmart Define. (2015). open-air thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/open-air/thesaurus/synonyms
ChicagoSmart Define. 2015. "open-air thesaurus" https://smartdefine.org/open-air/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, open-air thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/open-air/thesaurus/synonyms>.
MLASmart Define. "open-air thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/open-air/thesaurus/synonyms>