- Definitions|1
- Thesaurus|388
- Abbreviations|0
| declining(verb, adjective, backward, weakening, lessening) | |
| worsening(verb, adjective, backward, weakening, lessening) | |
| fading(verb, adjective, weakening, lessening, worsening) | |
| decaying(verb, adjective) | |
| degenerating(verb, adjective) | |
| withering(verb, adjective) | |
| failing(verb, adjective, weakening, lessening, worsening) | |
| retrograde(adjective, reverting) | |
| sinking(verb, lessening, dropping, dwindling) | |
| waning(verb, adjective, weakening, lessening, worsening) | |
| aging(verb, adjective, aging) | |
| crumbling | |
| regressing | |
| regressive | |
| relapsing(verb, adjective) | |
| retrogressive | |
| reverting(verb, adjective) | |
| sliding | |
| slipping | |
| subsiding |
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| APA | Smart Define. (2015). deteriorating thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/deteriorating/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "deteriorating thesaurus" https://smartdefine.org/deteriorating/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, deteriorating thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/deteriorating/thesaurus/synonyms>. |
| MLA | Smart Define. "deteriorating thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/deteriorating/thesaurus/synonyms> |