31 entries under noun topic. ×
| dream | |
| falsity | |
| invalidity | |
| falsehood | |
| weakness | |
| impotence | |
| speciousness | |
| debility | |
| deceit | |
| disability | |
| error(wrong, mistake) | |
| fabrication | |
| faithlessness | |
| falseness | |
| falsification | |
| feebleness | |
| fickleness | |
| flashiness | |
| frailness | |
| gaudiness |
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| APA | Smart Define. (2015). validity thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/validity/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "validity thesaurus" https://smartdefine.org/validity/thesaurus/antonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, validity thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/validity/thesaurus/antonyms>. |
| MLA | Smart Define. "validity thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/validity/thesaurus/antonyms> |