298 entries under bad topic. ×
| spoil(verb, damage, harm, regress) | |
| tarnish(verb, fix, damage, harm) | |
| depress(verb, stop, drop, order, help) | |
| disfigure(verb, hurt, damage, harm) | |
| unimproved(adjective, low, deterioration) | |
| bastardize(verb, quality, hurt, damage) | |
| contaminate(verb, hurt, damage, harm) | |
| debauch(verb, help, hurt, damage) | |
| decay(verb, break, change, quality) | |
| degenerate(verb, health, quality, low) | |
| disimprove(verb, health, quality, hurt) | |
| dwindle(verb, health, quality, increase) | |
| endamage(verb, damage, harm, regress) | |
| exasperate(verb, damage, harm, get worse) | |
| retrogress(verb, health, stop, drop, quality) | |
| stale(adjective, low, deterioration) | |
| taint(verb, break, change, fix) | |
| water(noun, weak, damage, awful) | |
| ruin(verb, stop, drop, decline) | |
| altered(verb, low, deterioration) |
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| APA | Smart Define. (2016). improve thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/improve/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "improve thesaurus" https://smartdefine.org/improve/thesaurus/antonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, improve thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/improve/thesaurus/antonyms>. |
| MLA | Smart Define. "improve thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/improve/thesaurus/antonyms> |