25 entries under weak topic. ×
| lazy(adjective, dull, feeble) | |
| feeble(adjective, dull) | |
| inactive(adjective, dull, feeble) | |
| lethargic(adjective, dull, feeble) | |
| enervated(verb, adjective, dull, feeble) | |
| impotent(adjective, dull, feeble) | |
| sluggish(adjective, dull, feeble) | |
| delicate(adjective, dull, feeble) | |
| infirm(adjective, dull, feeble) | |
| mild(adjective, dull, feeble) | |
| apathetic(adjective, dull, feeble) | |
| idle(adjective, dull, feeble) | |
| dull(adjective, feeble) | |
| soft(adjective, dull, feeble) | |
| fragile(adjective, dull, feeble) | |
| helpless(adjective, dull, feeble) | |
| incapable(adjective, dull, feeble) | |
| indifferent(adjective, dull, feeble) | |
| ineffective(adjective, dull, feeble) | |
| unhealthy(adjective, dull, feeble) |
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Vigorous on
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| APA | Smart Define. (2016). vigorous thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/vigorous/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "vigorous thesaurus" https://smartdefine.org/vigorous/thesaurus/antonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, vigorous thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/vigorous/thesaurus/antonyms>. |
| MLA | Smart Define. "vigorous thesaurus" 1 April 2016. Web. 25 September 2026. <https://smartdefine.org/vigorous/thesaurus/antonyms> |