4
regressing(noun, verb, deteriorating, reverting)
3
relapsing(verb, deteriorating, reverting)
3
reverting(noun, verb, deteriorating, reverting)
2
degenerating(verb, deteriorating)
2
fading(verb, deteriorating)
2
lapsing(noun, verb, deteriorating)
2
returning(noun, verb, reverting)
2
worsening(verb, deteriorating)
1
atrophying(verb, deteriorating)
1
collapsing(verb, deteriorating)
1
decaying(verb, deteriorating)
1
declining(verb, deteriorating)
1
deteriorating(verb, deteriorating)
1
dilapidating(verb, deteriorating)
1
downgrading(verb, deteriorating)
1
ebbing(verb, deteriorating)
1
mouldering(verb, deteriorating)
1
putrefying(verb, deteriorating)
1
receding
1
retrograding
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APASmart Define. (2013). retrogressing thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/retrogressing/thesaurus/synonyms
ChicagoSmart Define. 2013. "retrogressing thesaurus" https://smartdefine.org/retrogressing/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2013, retrogressing thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/retrogressing/thesaurus/synonyms>.
MLASmart Define. "retrogressing thesaurus" 28 June 2013. Web. 20 September 2026. <https://smartdefine.org/retrogressing/thesaurus/synonyms>