47 entries under adjective topic. ×
| gloomy | |
| grave | |
| great | |
| hard | |
| heavy | |
| inactive | |
| inert | |
| lumpish | |
| malicious | |
| mournful | |
| obtuse | |
| ponderous | |
| retiring | |
| serious | |
| severe | |
| significant | |
| sluggish | |
| sober | |
| solemn | |
| somber |
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| APA | Smart Define. (2015). energize thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/energize/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "energize thesaurus" https://smartdefine.org/energize/thesaurus/antonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, energize thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/energize/thesaurus/antonyms>. |
| MLA | Smart Define. "energize thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/energize/thesaurus/antonyms> |