| star cluster | |
| film(noun, gloom, tissue, darkness, puff) | |
| nebulosity(noun, gloom, obscurity, darkness, puff) | |
| galaxy(noun, cloud, constellation, vapor, galactic dust) | |
| fog(noun, gloom, obscurity, darkness, puff) | |
| cosmic cloud | |
| blur(noun, covering, fold, coat, cloud) | |
| cloud(noun, mass, covering, fold, coat) | |
| diffuse nebula(expression, idiom) | |
| gaseous nebula(expression, idiom) | |
| smoke(gloom, obscurity, darkness, puff, mist) | |
| dark nebula | |
| milky way | |
| nebulae | |
| nebular | |
| nebular hypothesis | |
| nebulous stars | |
| nimbus(noun, cloud) | |
| obscuration(covering, fold, coat, cloud, obscurity) | |
| obscurity(gloom, darkness, puff, mist, fog) |
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| APA | Smart Define. (2015). nebula thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/nebula/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "nebula thesaurus" https://smartdefine.org/nebula/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, nebula thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/nebula/thesaurus/synonyms>. |
| MLA | Smart Define. "nebula thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/nebula/thesaurus/synonyms> |