Synonyms|673Antonyms|118|Broader|13Narrower|17Related|401

59 entries under verb topic. ×

8
disprove
4
negate
4
confute
4
contradict(reject, disprove)
4
deny(reject, disprove)
3
break(reject, disprove)
2
disavow
2
rebut
1
refute
1
gainsay
1
invalidate(reject, disprove)
1
annul
1
belie
1
cancel
1
confound
1
denounce
1
discredit(reject, disprove)
1
disown
1
falsify
1
nullify
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APASmart Define. (2015). substantiate thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/substantiate/thesaurus/antonyms
ChicagoSmart Define. 2015. "substantiate thesaurus" https://smartdefine.org/substantiate/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2015, substantiate thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/substantiate/thesaurus/antonyms>.
MLASmart Define. "substantiate thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/substantiate/thesaurus/antonyms>