5 entries under cobalt topic. ×
| blue-gray(adjective, sky, royal, blue-green, teal) | |
| blue-green(adjective, sky, royal, teal) | |
| sky(royal, blue-green, teal) | |
| empyrean | |
| ether |
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| APA | Smart Define. (2015). sapphire thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/sapphire/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "sapphire thesaurus" https://smartdefine.org/sapphire/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, sapphire thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/sapphire/thesaurus/synonyms>. |
| MLA | Smart Define. "sapphire thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/sapphire/thesaurus/synonyms> |