33 entries under fail topic. ×

14
lapse(verb, decline, reduce, return)
14
retrograde(verb, move, drop, close, decline)
12
worsen(verb, decline, reduce, diminish)
11
recidivate(verb, fall, degenerate, deteriorate)
10
degenerate(verb, decline, reduce, return)
9
sink(verb, drop, close, decline, reduce)
7
decline(verb, drop, close, reduce, withdraw)
4
decay(verb, decline, reduce, diminish)
4
fade(verb, drop, close, decline, reduce)
3
descend(verb, decline, reduce, diminish)
3
slip back(verb, expression, fall, degenerate)
2
disimprove(verb, decline, reduce, lower)
2
lessen(verb, drop, close, decline, reduce)
2
sicken(fall, degenerate, deteriorate, revert)
2
weaken(verb, decline, lower, lapse)
1
be overcome(fall, degenerate, deteriorate, revert)
1
be overtaken(fall, degenerate, deteriorate, revert)
1
corrode(verb, decline, reduce, lower)
1
corrupt(verb, decline, reduce, lower)
1
degrade(verb, decline, lower, weaken)
<12>
10 years ago|4.9k views|share |citing 
APASmart Define. (2016). retrogress thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/retrogress/thesaurus/synonyms
ChicagoSmart Define. 2016. "retrogress thesaurus" https://smartdefine.org/retrogress/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, retrogress thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/retrogress/thesaurus/synonyms>.
MLASmart Define. "retrogress thesaurus" 14 March 2016. Web. 24 September 2026. <https://smartdefine.org/retrogress/thesaurus/synonyms>