Synonyms|123Antonyms|1|Broader|12Narrower|9Related|33

19 entries under unsubstantiality topic. ×

16
phantom(noun, ghost)
14
apparition(noun, ghost)
4
mirage
2
impalpability
1
cipher
1
immateriality
1
insignificance
1
intangibility
1
nihility
1
nonexistence
1
nothingness
1
nullity
1
tenuousness
1
unreality
1
vacancy
1
vacuity
1
zero
0
emptiness
0
ethereality
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APASmart Define. (2015). spectre thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/spectre/thesaurus/synonyms
ChicagoSmart Define. 2015. "spectre thesaurus" https://smartdefine.org/spectre/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, spectre thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/spectre/thesaurus/synonyms>.
MLASmart Define. "spectre thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/spectre/thesaurus/synonyms>