- Definitions|2
- Thesaurus|2.6k
- Abbreviations|0
56 entries under adjective topic. ×
| pungent | |
| rabid | |
| raucous | |
| rigid | |
| rigorous | |
| sensitive | |
| serious | |
| severe | |
| sharp | |
| stern | |
| stiff | |
| strict | |
| stringent | |
| thorough | |
| youthful | |
| acrid |
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| APA | Smart Define. (2016). lackadaisical thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/lackadaisical/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "lackadaisical thesaurus" https://smartdefine.org/lackadaisical/thesaurus/antonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2016, lackadaisical thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/lackadaisical/thesaurus/antonyms>. |
| MLA | Smart Define. "lackadaisical thesaurus" 2 March 2016. Web. 30 September 2026. <https://smartdefine.org/lackadaisical/thesaurus/antonyms> |