Synonyms|8Antonyms|5|Broader|0Narrower|0Related|6
2
unsustainable
1
abstract
1
uncertain
1
unprovable
0
controvertible
0
fallible
0
unsupportable
0
untrue
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APASmart Define. (2015). undemonstrable thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/undemonstrable/thesaurus/synonyms
ChicagoSmart Define. 2015. "undemonstrable thesaurus" https://smartdefine.org/undemonstrable/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, undemonstrable thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/undemonstrable/thesaurus/synonyms>.
MLASmart Define. "undemonstrable thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/undemonstrable/thesaurus/synonyms>