89 entries under opening topic. ×

2
outlet(noun, break, cut, crack)
2
ravine(noun, break, breach, void)
2
rupture(noun, break, breach, hole)
2
slit(noun, break, breach, hole)
2
slot(noun, break, retreat, breach)
2
vent(noun, break, cut, crack)
1
apse(noun, break, retreat, hole)
1
blank(noun, break, breach, space)
1
carrel(noun, break, retreat, hole)
1
discontinuity(noun, break, breach, hole)
1
division(noun, break, breach, hole)
1
door(breach, box, hole, gap)
1
empty space(expression, space, void, hollow)
1
eyelet(noun, break, cut, crack)
1
intermission(noun, break, breach, hole)
1
interruption(noun, break, breach, hole)
1
interstice(noun, break, breach, space)
1
keyhole(noun, break, cut, crack)
1
lull(noun, break, breach, hole)
1
omission(space, void, hollow, gap)
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APASmart Define. (2015). cavity thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/cavity/thesaurus/synonyms
ChicagoSmart Define. 2015. "cavity thesaurus" https://smartdefine.org/cavity/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, cavity thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/cavity/thesaurus/synonyms>.
MLASmart Define. "cavity thesaurus" 17 December 2015. Web. 26 September 2026. <https://smartdefine.org/cavity/thesaurus/synonyms>