- Definitions|2
- Thesaurus|1.6k
- Abbreviations|0
| validate(verb, support, reject, disprove) | |
| approve(verb, support, disregard, allow, neglect) | |
| authorize | |
| permit(verb, support, validate) | |
| establish(verb, support, organize, demonstrate, validate) | |
| legalize(verb, support, validate) | |
| allow(verb, support, validate) | |
| enact | |
| endorse(attack, deny) | |
| formalize | |
| king | |
| ratify(verb, support, reject, destroy, validate) | |
| sanction(verb, support, reject, veto, validate) | |
| substantiate(reject, disprove) | |
| acknowledge(verb, decline, reject) | |
| admit(verb, decline, oppose) | |
| assist(verb, support, validate) | |
| attest(hide, conceal) | |
| authenticate | |
| bear |
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| APA | Smart Define. (2015). invalidate thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/invalidate/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "invalidate thesaurus" https://smartdefine.org/invalidate/thesaurus/antonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, invalidate thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/invalidate/thesaurus/antonyms>. |
| MLA | Smart Define. "invalidate thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/invalidate/thesaurus/antonyms> |