435 entries under noun topic. ×
| devolution(drop, decline, fall, evil) | |
| ebbing(drop, fall, failure, deterioration) | |
| effluent | |
| entropy(disorder, confusion, mess, deterioration) | |
| extinction(decline, ruin, decrease, collapse) | |
| falloff(drop, decline, fall, deterioration) | |
| foul matter | |
| garbage | |
| havoc(ruin, collapse, failure, extinction) | |
| junk | |
| lessening(drop, decline, fall, decrease) | |
| lowering(drop, fall, deterioration, falloff) | |
| muck | |
| offal | |
| ordure | |
| perishing(decline, collapse, down, deterioration) | |
| refuse | |
| rubbish | |
| rupture(verb, decline, ruin, defeat) | |
| sag(verb, drop, decline, fall) |
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| APA | Smart Define. (2016). decay thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/decay/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "decay thesaurus" https://smartdefine.org/decay/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, decay thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/decay/thesaurus/synonyms>. |
| MLA | Smart Define. "decay thesaurus" 14 March 2016. Web. 28 September 2026. <https://smartdefine.org/decay/thesaurus/synonyms> |