- Definitions|2
- Thesaurus|1.6k
- Abbreviations|0
125 entries under adjective topic. ×
| inept(weak, ability, inadequate, limited) | |
| incompetent(weak, ability, thin, delicate) | |
| ineffective(failure, affect, useless, well) | |
| ineffectual(weak, thin, delicate, failure) | |
| incapable(weak, ability, inadequate, feeble) | |
| useless(weak, failure, inferior, affect) | |
| feeble(strong, weak, inadequate, useless) | |
| unfit(weak, ready, inadequate, well) | |
| unskilled(weak, ability, inadequate, useless) | |
| unable(weak, skill, inadequate, limited) | |
| inexpert(weak, ability, inadequate, well) | |
| inefficacious(weak, skill, inferior, affect) | |
| unqualified(well, educated, overall, well-informed) | |
| futile(weak, inferior, inadequate, limited) | |
| impotent(weak, thin, delicate, failure) | |
| inadequate(weak, thin, delicate, inferior) | |
| unproductive(weak, slow, inadequate, limited) | |
| unskillful(ability, inadequate, useless, well) | |
| careless(well, extravagant, incompetent, lavish) | |
| extravagant(well, incompetent, lavish, wasteful) |
For more, visit
Inefficient on
Power Thesaurus
| APA | Smart Define. (2015). inefficient thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/inefficient/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "inefficient thesaurus" https://smartdefine.org/inefficient/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, inefficient thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/inefficient/thesaurus/synonyms>. |
| MLA | Smart Define. "inefficient thesaurus" 12 November 2015. Web. 22 September 2026. <https://smartdefine.org/inefficient/thesaurus/synonyms> |