Synonyms|135Antonyms|1|Broader|9Narrower|19Related|36

49 entries under noun topic. ×

0
cave
0
cleft(space, hole, hollow)
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colliery
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fissure(space, hole, hollow)
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gap(space, hole, hollow, pocket)
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inlet
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nook(space, hole, hollow)
0
pitfall
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void(space, hole, hollow, pocket)
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APASmart Define. (2015). sinus thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/sinus/thesaurus/synonyms
ChicagoSmart Define. 2015. "sinus thesaurus" https://smartdefine.org/sinus/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, sinus thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/sinus/thesaurus/synonyms>.
MLASmart Define. "sinus thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/sinus/thesaurus/synonyms>