- Definitions|2
- Thesaurus|364
- Abbreviations|0
| avail | |
| bungling(incompetent, wasteful, unproductive) | |
| careless(incompetent, wasteful, unproductive) | |
| chafflike | |
| chaffy | |
| disorganized(incompetent, wasteful, unproductive) | |
| emasculate(inadequate, feeble, useless, vain, unsuccessful) | |
| emit | |
| evacuate | |
| extravagant(incompetent, wasteful, unproductive) | |
| failure | |
| faulty(incompetent, wasteful, unproductive) | |
| fecklessness | |
| frustrate | |
| futility | |
| good for nothing(expression, idiom, impotence) | |
| half-baked(incompetent, wasteful, unproductive) | |
| hamstrung | |
| immature | |
| improficient(incompetent, wasteful, unproductive) |
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| APA | Smart Define. (2016). inefficacious thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/inefficacious/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "inefficacious thesaurus" https://smartdefine.org/inefficacious/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, inefficacious thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/inefficacious/thesaurus/synonyms>. |
| MLA | Smart Define. "inefficacious thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/inefficacious/thesaurus/synonyms> |