6
declining(verb, adjective, deteriorating)
6
receding(verb, receding, relapsing)
6
retrogressing(noun, verb, deteriorating, reverting)
5
relapsing(verb, deteriorating, reverting, relapsing)
5
returning(noun, verb, reverting)
5
reverting(noun, verb, deteriorating, reverting)
4
backsliding(noun, verb, receding, relapsing)
4
degenerating(verb, deteriorating)
4
lapsing(noun, verb, deteriorating, relapsing)
4
retreating(verb, receding)
3
deteriorating(verb, adjective, deteriorating)
3
ebbing(verb, deteriorating)
3
recurring(verb, adjective, relapsing)
2
backing
2
decaying(verb, adjective, deteriorating)
2
fading(verb, deteriorating)
2
failing
2
flinching
2
recede
2
recoiling
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APASmart Define. (2015). regressing thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/regressing/thesaurus/synonyms
ChicagoSmart Define. 2015. "regressing thesaurus" https://smartdefine.org/regressing/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, regressing thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/regressing/thesaurus/synonyms>.
MLASmart Define. "regressing thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/regressing/thesaurus/synonyms>