- Definitions|1
- Thesaurus|245
- Abbreviations|0
61 entries under adjective topic. ×
| plentitudinous | |
| potent(effect, productivity) | |
| practicable(effect, success, productivity) | |
| practical(effect, success, productivity) | |
| producing | |
| producing good results(exuberance, productivity, expression) | |
| producing helpful results(exuberance, productivity, expression) | |
| productive(exuberance, success, productivity) | |
| profitable | |
| prolific | |
| rewarding | |
| striking(effect, success, productivity) | |
| successful | |
| swarming | |
| teeming | |
| thriving | |
| ultraefficient(effect, success, productivity) | |
| useful(use, success) | |
| valuable | |
| well spent |
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| APA | Smart Define. (2016). in vain thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/in_vain/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "in vain thesaurus" https://smartdefine.org/in_vain/thesaurus/antonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, in vain thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/in_vain/thesaurus/antonyms>. |
| MLA | Smart Define. "in vain thesaurus" 24 March 2016. Web. 29 September 2026. <https://smartdefine.org/in_vain/thesaurus/antonyms> |