6 entries under degeneration topic. ×

6
worsen(verb, action, act, process, deterioration)
4
decline(verb, action, process, result)
4
deteriorate(verb, action, process, result)
4
regress(verb, activity, action, process, result)
3
decay(verb, action, process, result)
3
sink(verb, action, process, result)
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APASmart Define. (1970). level up thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/level_up/thesaurus/antonyms
ChicagoSmart Define. 1970. "level up thesaurus" https://smartdefine.org/level_up/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 1970, level up thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/level_up/thesaurus/antonyms>.
MLASmart Define. "level up thesaurus" 1 January 1970. Web. 25 September 2026. <https://smartdefine.org/level_up/thesaurus/antonyms>