33 entries under opening topic. ×

3
nothingness(noun, void, hollow, emptiness)
2
emptiness(noun, void, hollow, vacuum)
2
expanse(authorization, permission, go-ahead)
2
hole(noun, space, void, hollow)
2
tabula rasa(noun, expression, void, hollow)
2
vacuum(noun, void, hollow, emptiness)
1
void(noun, space, hollow, gap)
1
abyss(noun, void, hollow, emptiness)
1
cavity(noun, space, void, hollow)
1
chasm(noun, void, hollow)
1
gap(noun, space, void, authorization)
1
hiatus(noun, space, void, hollow)
1
hollowness(noun, void, hollow, emptiness)
1
interval(noun, space, void, hollow)
1
nihility(noun, void, hollow, emptiness)
1
nullity(noun, void, hollow, emptiness)
1
omission(noun, space, void, hollow)
1
vacancy(noun, void, hollow)
1
vacuity(noun, void, hollow, emptiness)
0
allowance(authorization, permission, go-ahead)
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APASmart Define. (2015). empty space thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/empty_space/thesaurus/synonyms
ChicagoSmart Define. 2015. "empty space thesaurus" https://smartdefine.org/empty_space/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, empty space thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/empty_space/thesaurus/synonyms>.
MLASmart Define. "empty space thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/empty_space/thesaurus/synonyms>