Synonyms|900Antonyms|278|Broader|16Narrower|16Related|432
1
certify(verb, reject, declare, deny)
1
command
1
confirm(verb, hurt, weaken, prove, validate)
1
constitute
1
corroborate(contradict, veto)
1
determine(verb, confuse)
1
formalise
1
found
1
have
1
hold
1
institute(verb, support, validate)
1
legislate
1
let(verb, stop, hold, keep)
1
mandate
1
profess(verb, refuse, deny)
1
prove
1
revive(verb, support, validate)
1
show
1
sustain(verb, stop, harm, hinder, deplete)
1
underwrite(verb, take, hurt, endorse, insure)
For more, visit Invalidate on Power Thesaurus
11 years ago|2.1k views|share |citing 
APASmart Define. (2015). invalidate thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/invalidate/thesaurus/antonyms
ChicagoSmart Define. 2015. "invalidate thesaurus" https://smartdefine.org/invalidate/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2015, invalidate thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/invalidate/thesaurus/antonyms>.
MLASmart Define. "invalidate thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/invalidate/thesaurus/antonyms>