87 entries under space topic. ×
| decay(hole, hollow, pocket, crater) | |
| pinhole(noun, break, cut, opening) | |
| sinus(noun, hole, hollow, pocket) | |
| socket(noun, hole, hollow, pocket) | |
| time lag(noun, expression, delay, pause, lapse) | |
| vastness(noun, range, void, expanse) | |
| womb(noun, opening, void, hollow) |
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| APA | Smart Define. (2016). gap thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/gap/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "gap thesaurus" https://smartdefine.org/gap/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, gap thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/gap/thesaurus/synonyms>. |
| MLA | Smart Define. "gap thesaurus" 29 February 2016. Web. 22 September 2026. <https://smartdefine.org/gap/thesaurus/synonyms> |