- Definitions|2
- Thesaurus|2.6k
- Abbreviations|0
336 entries under adjective topic. ×
| ineffectual(dull, light, weak, soft) | |
| useless(weak, poor, failure, base) | |
| unavailing(weak, poor, failure, base) | |
| futile(weak, poor, base, careless) | |
| unproductive(weak, poor, base, silly) | |
| bootless(failure, stupid, idle, useless) | |
| fruitless(weak, failure, silly, stupid) | |
| inefficient(failure, affect, useless, well) | |
| worthless(weak, poor, base, careless) | |
| impotent(weak, poor, failure, silly) | |
| feeble(dull, light, weak, soft) | |
| incompetent(weak, poor, careless, stupid) | |
| weak(dull, light, soft, poor) | |
| inefficacious(affect, useless, incompetent, unsound) | |
| vain(weak, stupid, insignificant, useless) | |
| pointless(poor, base, stupid, inferior) | |
| abortive(failure, stupid, idle, useless) | |
| inept(weak, poor, stupid, idle) | |
| inadequate(dull, light, weak, soft) | |
| unable(weak, inadequate, useless, incompetent) |
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| APA | Smart Define. (2016). ineffective thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/ineffective/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "ineffective thesaurus" https://smartdefine.org/ineffective/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, ineffective thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/ineffective/thesaurus/synonyms>. |
| MLA | Smart Define. "ineffective thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/ineffective/thesaurus/synonyms> |