- Definitions|2
- Thesaurus|120
- Abbreviations|0
13 entries under expression topic. ×
| vault of heaven(noun, idiom, blue, world) | |
| celestial sphere(noun, idiom, blue, heavens) | |
| blue sky(idiom, air) | |
| canopy of heaven(idiom, world) | |
| starry heaven(idiom, world) | |
| celestial spaces(idiom, world) | |
| open air(idiom, air) | |
| sphere of influence | |
| starry cope(idiom, world) | |
| starry host(idiom, world) | |
| supersensible regions(idiom, world) | |
| upper atmosphere(blue, heavens) | |
| wild blue yonder(idiom, blue, heaven, sky) |
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| APA | Smart Define. (2015). welkin thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/welkin/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "welkin thesaurus" https://smartdefine.org/welkin/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, welkin thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/welkin/thesaurus/synonyms>. |
| MLA | Smart Define. "welkin thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/welkin/thesaurus/synonyms> |