56 entries under adjective topic. ×
| inapt | |
| large | |
| loose | |
| messy | |
| needless | |
| painful | |
| poor | |
| shoddy | |
| slow | |
| sluggish | |
| thin(weak, deficient) | |
| tremendous | |
| unnecessary | |
| untidy | |
| vile | |
| workaday |
For more, visit
Efficient on
Power Thesaurus
| APA | Smart Define. (2015). efficient thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/efficient/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "efficient thesaurus" https://smartdefine.org/efficient/thesaurus/antonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, efficient thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/efficient/thesaurus/antonyms>. |
| MLA | Smart Define. "efficient thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/efficient/thesaurus/antonyms> |