24 entries under opening topic. ×

14
nothingness(noun, blank, void, hollow)
13
void(noun, base, want, extinction)
11
nihility(noun, extinction, blank, space)
6
emptiness(noun, extinction, blank, space)
6
vacancy(noun, void, hollow, nonexistence)
4
vacuum(noun, void, hollow, emptiness)
1
empty space(expression, void, hollow, emptiness)
1
tabula rasa(expression, idiom, void, hollow)
0
cavity(void, hollow, emptiness, vacuum)
0
chasm(void, hollow)
0
gap(void, hollow, emptiness, vacuum)
0
gulf(void, hollow)
0
hiatus(void, hollow)
0
hole(void, hollow, emptiness, vacuum)
0
hollow(void, emptiness, vacuum)
0
hollowness(void, hollow, emptiness, vacuum)
0
interstice(void, hollow)
0
interval(void, hollow)
0
lacuna(void, hollow)
0
omission(void, hollow)
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APASmart Define. (2015). nullity thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/nullity/thesaurus/synonyms
ChicagoSmart Define. 2015. "nullity thesaurus" https://smartdefine.org/nullity/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, nullity thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/nullity/thesaurus/synonyms>.
MLASmart Define. "nullity thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/nullity/thesaurus/synonyms>