3
outrage(verb, upset, hurt, bother, disturb)
3
reluct(verb, upset, bother, disturb, shock)
3
sink(verb, get, decline, develop, worry)
3
suffer(verb, break, hurt, fall, fail)
3
unhinge(verb, upset, trouble, hurt, disorder)
2
annoy(verb, upset, trouble, hurt, disturb)
2
astonish(verb, alarm, surprise, astound, stun)
2
astound(verb, upset, disturb, shock, agitate)
2
be impaired(verb, decline, hurt, smart, weaken)
2
become contaminated(expression, decline, weaken, lessen, degenerate)
2
blight(verb, decline, weaken, lessen, degenerate)
2
break up(expression, decline, weaken, lessen, degenerate)
2
canker
2
crumble(verb, decline, weaken, lessen, degenerate)
2
curdle(verb, decline, weaken, lessen, degenerate)
2
decay(verb, deteriorate, crumble, rot, decompose)
2
decompose(verb, decline, weaken, lessen, degenerate)
2
defile(verb, decline, weaken, lessen, degenerate)
2
depreciate(decline, weaken, lessen, degenerate, deteriorate)
2
descend
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APASmart Define. (2015). sicken thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sicken/thesaurus/synonyms
ChicagoSmart Define. 2015. "sicken thesaurus" https://smartdefine.org/sicken/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, sicken thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sicken/thesaurus/synonyms>.
MLASmart Define. "sicken thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/sicken/thesaurus/synonyms>