1
go sideways
1
go to pieces(expression, idiom, decline, degenerate, deteriorate)
1
go to pot(verb, expression, idiom, decline, weaken)
1
go to the dogs(expression, idiom, decline, degenerate, deteriorate)
1
grow worse
1
hit the skids(expression, idiom, decline, weaken, degenerate)
1
impair(verb, decline, fail, diminish, lower)
1
injure(verb, decline, fail, lower, weaken)
1
jerk
1
jerk back
1
lag behind
1
languish(verb, decline, fail, lower, weaken)
1
lapse back
1
less-developed condition
1
let down
1
lose it(expression, decline, weaken, degenerate, degrade)
1
lose quality(expression, decline, weaken, degenerate, degrade)
1
losing
1
lost
1
lower(verb, decline, fail, diminish, weaken)
10 years ago|4.9k views|share |citing 
APASmart Define. (2016). retrogress thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/retrogress/thesaurus/synonyms
ChicagoSmart Define. 2016. "retrogress thesaurus" https://smartdefine.org/retrogress/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, retrogress thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/retrogress/thesaurus/synonyms>.
MLASmart Define. "retrogress thesaurus" 14 March 2016. Web. 26 September 2026. <https://smartdefine.org/retrogress/thesaurus/synonyms>