1
drop off(verb, expression, phrasal verb)
1
dwindle(verb, drop, close, decline, reduce)
1
fail(verb, decline, lower, weaken, lapse)
1
fall(reduce, fail, degenerate, deteriorate, worsen)
1
fall apart(expression, decline, weaken, degenerate, degrade)
1
fall astern
1
fall off(verb, expression, reduce, diminish, slip)
1
flag(verb, decline, fail, lower, weaken)
1
flinch
1
flow
1
flow back(expression, drop, close, reduce, diminish)
1
follow
1
get behind
1
get over
1
give ground
1
go around
1
go away(expression, drop, close, reduce, withdraw)
1
go behind
1
go downhill(verb, expression, decline, reduce, fail)
1
go round
10 years ago|4.9k views|share |citing 
APASmart Define. (2016). retrogress thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/retrogress/thesaurus/synonyms
ChicagoSmart Define. 2016. "retrogress thesaurus" https://smartdefine.org/retrogress/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, retrogress thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/retrogress/thesaurus/synonyms>.
MLASmart Define. "retrogress thesaurus" 14 March 2016. Web. 27 September 2026. <https://smartdefine.org/retrogress/thesaurus/synonyms>