90 entries under noun topic. ×

16
turnabout(turn, back, return, slow)
15
return(back, slow, backward, reverse direction)
14
decline(drop, back, return, slow)
14
degeneration(drop, decline, return, lapse)
13
deterioration(drop, decline, back, return)
13
reversal(back, return, slow, backward)
13
reverting(deterioration, regression, reversion, retrogradation)
13
turnaround(back, return, slow, backward)
8
retreat(decline, right, return, regression)
7
decay(drop, decline, return, deterioration)
7
degradation(decline, deterioration, decay, degeneration)
6
decadence(drop, decline, return, lapse)
6
devolution(drop, lapse, deterioration, repetition)
5
degeneracy
4
declination(drop, decline, return, deterioration)
4
error(back, slow, backward, reverse direction)
4
fault(back, slow, backward, reverse direction)
4
mistake(back, slow, backward, reverse direction)
2
atrophy(drop, decline, deterioration, decay)
2
corruption
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APASmart Define. (2015). retrogression thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/retrogression/thesaurus/synonyms
ChicagoSmart Define. 2015. "retrogression thesaurus" https://smartdefine.org/retrogression/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, retrogression thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/retrogression/thesaurus/synonyms>.
MLASmart Define. "retrogression thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/retrogression/thesaurus/synonyms>