| cosmos(noun, space, universe, galaxy, infinite distance) | |
| space(noun, universe, galaxy, infinite distance) | |
| interstellar space(noun, universe) | |
| deep space(noun, expression, space, universe, galaxy) | |
| cosmic space(noun, universe) | |
| infinity(noun, universe, infinite distance) | |
| metagalactic space(noun, universe) | |
| ocean of emptiness(noun, expression, idiom, universe) | |
| astronomical unit | |
| extension | |
| galaxy(noun, space, universe) | |
| nothingness | |
| unfathomed deeps | |
| netherworld | |
| universe(noun, space, galaxy, infinite distance) | |
| intergalactic space(noun, universe) | |
| interplanetary space(noun, expression, idiom, universe) | |
| jumping-off place | |
| the void(noun, universe) | |
| underworld |
For more, visit
Outer_space on
Power Thesaurus
| APA | Smart Define. (2015). outer space thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/outer_space/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "outer space thesaurus" https://smartdefine.org/outer_space/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, outer space thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/outer_space/thesaurus/synonyms>. |
| MLA | Smart Define. "outer space thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/outer_space/thesaurus/synonyms> |