11
invalidate(verb, support, reject, void, disprove)
6
disprove(verb, reject, agree, prove)
5
annul(verb, agreement)
5
contradict(verb, reject, disprove)
5
deny(verb, support, accept, reject, agree)
3
nullify(verb, support, keep, cancel, revoke)
3
quash(verb, keep)
2
jeff
2
avoid
2
cancel(verb, keep, start, continue, restore)
2
refuse(verb, reject, disprove)
2
refute
2
reject(verb, disprove)
2
vitiate(help, allow)
2
void(verb, hold, cancel, nullify)
2
overturn(verb, pass)
2
rebut
2
repudiate(verb, reject, disprove)
2
rescind
2
undo(verb, hold, invalidate, nullify)
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APASmart Define. (2015). validate thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/validate/thesaurus/antonyms
ChicagoSmart Define. 2015. "validate thesaurus" https://smartdefine.org/validate/thesaurus/antonyms (accessed September 20, 2026).
HarvardSmart Define 2015, validate thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/validate/thesaurus/antonyms>.
MLASmart Define. "validate thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/validate/thesaurus/antonyms>