- Definitions|2
- Thesaurus|1.2k
- Abbreviations|0
61 entries under adjective topic. ×
| feckless | |
| idle(worthless, ineffective) | |
| ineffectual | |
| inefficient | |
| needless | |
| non-beneficial(wealth, prosperity, fortune) | |
| nugatory | |
| null(ineffectual, valueless) | |
| otiose | |
| pathetic(good, sad, affecting) | |
| pitiful(good, poor, shape, substantial) | |
| profitless | |
| purposeless | |
| unavailing | |
| unnecessary | |
| unproductive | |
| unsuccessful | |
| aimless | |
| airy | |
| bad |
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| APA | Smart Define. (2016). worthwhile thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/worthwhile/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "worthwhile thesaurus" https://smartdefine.org/worthwhile/thesaurus/antonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, worthwhile thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/worthwhile/thesaurus/antonyms>. |
| MLA | Smart Define. "worthwhile thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/worthwhile/thesaurus/antonyms> |