66 entries under adjective topic. ×
| dispirited(dull, weak, feeble) | |
| dusty | |
| easy(dull, weak, feeble) | |
| facile(dull, weak, feeble) | |
| fatuous | |
| foolish | |
| frigid | |
| impassive | |
| imperceptible | |
| insensible | |
| lukewarm | |
| mediocre | |
| moderate(dull, weak, feeble) | |
| remiss | |
| sleazy | |
| slender | |
| tame | |
| tepid | |
| unconcerned | |
| unenthusiastic(dull, weak, feeble) |
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| APA | Smart Define. (2016). vigorous thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/vigorous/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "vigorous thesaurus" https://smartdefine.org/vigorous/thesaurus/antonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, vigorous thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/vigorous/thesaurus/antonyms>. |
| MLA | Smart Define. "vigorous thesaurus" 1 April 2016. Web. 27 September 2026. <https://smartdefine.org/vigorous/thesaurus/antonyms> |