13
backward(adjective, retrograde)
12
reactionary(adjective, conservative, regression, retrograde, reversion)
10
retrogressive(adjective, rigid, backward, conservative, regression)
8
recessive(adjective, passive, retrograde, recessive, relapsed)
7
atavistic(adjective, back, return, slow, backward)
7
backsliding(adjective, renegade, recessive)
7
retrograde
5
conservative
5
declining
4
backwards
4
receding(adjective, regression, recessive)
4
relapsing
4
reverting(adjective, renegade, perennial, reversion, retrogressive)
3
deteriorating
3
recidivist(adjective, relapsed)
3
recidivous
3
refluent
2
failing
2
graduated
2
reflex(noun, regression)
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APASmart Define. (2015). regressive thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/regressive/thesaurus/synonyms
ChicagoSmart Define. 2015. "regressive thesaurus" https://smartdefine.org/regressive/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, regressive thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/regressive/thesaurus/synonyms>.
MLASmart Define. "regressive thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/regressive/thesaurus/synonyms>