13 entries under noun topic. ×
| nature(environment, life, world) | |
| out-of-doors(adverb, open, unconfined, outdoors) | |
| open(surface, exterior, front, unconfined) | |
| outdoors(adverb, open, surface, exterior) | |
| outside(adverb, open, surface, exterior) | |
| alfresco(open, unconfined, outdoors, open-air) | |
| great outdoors(expression, open, unconfined, outdoors) | |
| bucolic surroundings(expression, outdoors, open-air) | |
| fresh air(expression, outdoors, open-air) | |
| green earth(expression, outdoors, open-air) | |
| open-air | |
| out of doors(expression, idiom, outdoors, open-air) | |
| topside(surface, exterior, front, outdoors) |
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| APA | Smart Define. (2015). open air thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/open_air/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "open air thesaurus" https://smartdefine.org/open_air/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, open air thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/open_air/thesaurus/synonyms>. |
| MLA | Smart Define. "open air thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/open_air/thesaurus/synonyms> |