26 entries under unsubstantiality topic. ×

14
nothingness(noun, condition, void, hollow, absence)
11
nullity(noun, extinction, opening, blank, space)
8
nonexistence(noun, condition, extinction, lack, blank)
7
vacuity(noun, opening, space, void, hollow)
6
emptiness(noun, extinction, opening, blank, space)
6
vacancy(noun, opening, space, void, hollow)
4
cipher(noun, nonexistence)
3
unreality
2
zero
1
apparition
1
ethereality
1
immateriality
1
impalpability
1
insignificance
1
insubstantiality
1
intangibility
1
mirage
1
no thing(expression, idiom)
1
phantom
1
spectre
<12>
11 years ago|2.4k views|share |citing 
APASmart Define. (2015). nihility thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/nihility/thesaurus/synonyms
ChicagoSmart Define. 2015. "nihility thesaurus" https://smartdefine.org/nihility/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, nihility thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/nihility/thesaurus/synonyms>.
MLASmart Define. "nihility thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/nihility/thesaurus/synonyms>