- Definitions|2
- Thesaurus|2.6k
- Abbreviations|0
336 entries under adjective topic. ×
| unsuccessful(weak, useless, trivial, failing) | |
| incapable(weak, useless, adequate, incompetent) | |
| powerless(weak, silly, stupid, insignificant) | |
| unprofitable(poor, base, silly, stupid) | |
| idle(weak, stupid, useless, trivial) | |
| sterile(weak, poor, base, inferior) | |
| barren(weak, poor, base, inferior) | |
| feckless(stupid, idle, feeble, useless) | |
| insufficient(weak, failure, inadequate, feeble) | |
| profitless(poor, base, stupid, inferior) | |
| spineless(weak, poor, inferior, inadequate) | |
| unfit(weak, appropriate, ready, inadequate) | |
| empty(poor, base, inferior, insignificant) | |
| impractical(stupid, idle, useless, trivial) | |
| inoperative(weak, stupid, idle, useless) | |
| lame(weak, poor, inferior, inadequate) | |
| meaningless(weak, poor, base, careless) | |
| nugatory(poor, failure, base, inferior) | |
| unqualified(weak, poor, inadequate, incompetent) | |
| good-for-nothing(weak, poor, base, careless) |
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Ineffective on
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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> |