Synonyms|796Antonyms|149|Broader|10Narrower|0Related|951
5
realist
4
realistic
4
strong
4
substantial(adjective, important, ample)
3
corporeal
3
real
2
important(adjective, dull, weak, substantial, valuable)
2
material(adjective, important, relevant)
2
momentous(adjective, ordinary, insignificant)
2
palpable
2
sturdy
2
tangible
2
undeniable
2
weighty(adjective, light, heavy, important, serious)
1
bodily
1
capable of being touched(adjective, feature, state, sense)
1
concrete
1
corporal
1
durable
1
heavy
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APASmart Define. (2016). unsubstantial thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unsubstantial/thesaurus/antonyms
ChicagoSmart Define. 2016. "unsubstantial thesaurus" https://smartdefine.org/unsubstantial/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, unsubstantial thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unsubstantial/thesaurus/antonyms>.
MLASmart Define. "unsubstantial thesaurus" 30 March 2016. Web. 25 September 2026. <https://smartdefine.org/unsubstantial/thesaurus/antonyms>