76 entries under deteriorate topic. ×

4
fade(verb, decline, reduce, fall, diminish)
4
slip back(verb, expression, phrasal verb, fall, weaken)
3
collapse(verb, drop, decline, reduce, settle)
3
fail(verb, decline, fall, weaken, degenerate)
3
weaken(verb, decline, fail, lower, degenerate)
3
wither
2
atrophy
2
depreciate(verb, drop, decline, settle, fail)
2
disimprove(decline, reduce, weaken, lapse, degenerate)
2
downgrade
2
flag(verb, drop, decline, settle, fail)
2
lessen(verb, drop, close, decline, reduce)
2
sicken(fall, fail, weaken, degenerate)
2
slide(verb, decline, weaken, degenerate)
2
slide back(expression, fall, fail, weaken, degenerate)
2
slip(verb, drop, decline, reduce, settle)
2
slump(verb, drop, decline, drive, settle)
2
wilt
1
adulterate(decline, weaken, degenerate, degrade)
1
alloy(decline, weaken, degenerate, degrade)
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APASmart Define. (2016). regress thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/regress/thesaurus/synonyms
ChicagoSmart Define. 2016. "regress thesaurus" https://smartdefine.org/regress/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, regress thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/regress/thesaurus/synonyms>.
MLASmart Define. "regress thesaurus" 14 March 2016. Web. 28 September 2026. <https://smartdefine.org/regress/thesaurus/synonyms>