85 entries under decline topic. ×

5
debase(verb, reduce, destroy, fail)
5
fade(verb, drop, fall, fail)
5
lower(verb, drop, reduce, destroy)
5
slide(verb, drop, fall, fail)
5
spoil(verb, break, fail, damage)
4
blight(harm, spoil, weaken, deteriorate)
4
lapse(verb, drop, reduce, fall)
4
provoke(verb, disturb, annoy, warm)
4
sicken(fall, fail, weaken, degenerate)
4
wane(verb, drop, fall, fail)
3
collapse(verb, break, reduce, fail)
3
depreciate(verb, drop, fall, fail)
3
disimprove(verb, break, drop, reduce)
3
inflame(verb, annoy, provoke, warm)
3
revert(verb, drop, reduce, fall)
3
wither(verb, break, sink, degenerate)
2
break(verb, reduce, destroy, fail)
2
break up(expression, break, collapse, split)
2
corrupt(verb, adjective, reduce, destroy)
2
crumble(verb, break, fail, lower)
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APASmart Define. (2015). worsen thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/worsen/thesaurus/synonyms
ChicagoSmart Define. 2015. "worsen thesaurus" https://smartdefine.org/worsen/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, worsen thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/worsen/thesaurus/synonyms>.
MLASmart Define. "worsen thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/worsen/thesaurus/synonyms>