- Definitions|2
- Thesaurus|1.2k
- Abbreviations|0
51 entries under adjective topic. ×
| prosperous(characteristic, quality, collapse, failure) | |
| successful(favorable, profitable) | |
| lucky(fortunate, opportune, successful, unlucky) | |
| effective | |
| effectual(influential, authoritative) | |
| efficacious(efficient, productive) | |
| fruitful | |
| efficient | |
| flourishing | |
| golden(dull, dark, beautiful, advantageous) | |
| potent | |
| productive | |
| victorious(successful, winning) | |
| active | |
| adequate | |
| good | |
| profitable | |
| sufficient | |
| triumphant | |
| unbeatable |
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| APA | Smart Define. (2016). unsuccessful thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unsuccessful/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "unsuccessful thesaurus" https://smartdefine.org/unsuccessful/thesaurus/antonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, unsuccessful thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unsuccessful/thesaurus/antonyms>. |
| MLA | Smart Define. "unsuccessful thesaurus" 24 March 2016. Web. 29 September 2026. <https://smartdefine.org/unsuccessful/thesaurus/antonyms> |