Synonyms|21Antonyms|1|Broader|0Narrower|0Related|2
1
belt
1
celestial sphere(expression, blue, heaven, heavens, Elysium)
1
firmament(blue, heaven, heavens, Elysium, zion)
1
ionosphere
1
layer
1
mesosphere
1
sky(noun, blue, heaven, atmosphere, heavens)
1
stratosphere
1
stratum
1
troposphere
1
vault of heaven(expression, idiom, blue, heaven, heavens)
1
wild blue yonder(expression, idiom, blue, heaven, heavens)
0
atmosphere(blue, heavens)
0
azure(blue, heaven, heavens, Elysium, zion)
0
blues(heaven, heavens, Elysium, zion)
0
empyrean(blue, heaven, heavens, Elysium, zion)
0
ether
0
heavens
0
lid(blue, heavens)
0
vault(blue, heavens)
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APASmart Define. (2015). upper atmosphere thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/upper_atmosphere/thesaurus/synonyms
ChicagoSmart Define. 2015. "upper atmosphere thesaurus" https://smartdefine.org/upper_atmosphere/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, upper atmosphere thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/upper_atmosphere/thesaurus/synonyms>.
MLASmart Define. "upper atmosphere thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/upper_atmosphere/thesaurus/synonyms>