200 entries under noun topic. ×

1
extinction(decline, collapse, destruction, wreck)
1
fading away(expression, drop, decrease, retreat)
1
falling off(expression, drop, fall, failure)
1
feloniousness
1
flagging(drop, decrease, retreat, wane)
1
flood(end, ruin, fall, collapse)
1
going out(expression, drop, decrease, retreat)
1
improbity(evil, corruption, degradation)
1
impropriety
1
indecency
1
iniquitousness
1
low tide(expression, drop, decrease, retreat)
1
low water(expression, drop, decrease, retreat)
1
obnoxiousness
1
on the rocks(expression, idiom, end, ruin)
1
on the skids(expression, idiom, drop, fall)
1
outward flow(expression, drop, decrease, retreat)
1
perverseness
1
petering out(expression, drop, decrease, retreat)
1
putrescence(decline, collapse, deterioration, decay)
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APASmart Define. (2015). degeneration thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/degeneration/thesaurus/synonyms
ChicagoSmart Define. 2015. "degeneration thesaurus" https://smartdefine.org/degeneration/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, degeneration thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/degeneration/thesaurus/synonyms>.
MLASmart Define. "degeneration thesaurus" 10 April 2015. Web. 1 October 2026. <https://smartdefine.org/degeneration/thesaurus/synonyms>