6
come down with(verb, expression, idiom, take, get)
6
get(verb, take, get, decline, hurt)
6
jade(verb, worry, fail, strain, annoy)
6
languish(verb, dull, get, hurt, fail)
5
affect(verb, upset, trouble, shock, pain)
5
catch(verb, take, get, accept, contract)
5
cloy(noun, verb, annoy, depress, exhaust)
5
degenerate(verb, decline, weaken, lessen, deteriorate)
5
deteriorate(verb, break, decline, hurt, fail)
5
disorder(noun, verb, upset, get, decline)
5
gross out(verb, expression, phrasal verb, upset, bother)
5
make one sick(verb, expression, idiom, upset, disorder)
5
relapse(verb, weaken, degenerate, deteriorate, revert)
5
tire(verb, strain, annoy, depress, exhaust)
5
unsettle(verb, upset, trouble, disorder, bother)
4
bore(verb, worry, fail, strain, annoy)
4
come down(verb, expression, phrasal verb)
4
derange(verb, upset, trouble, get, decline)
4
get worse(expression, decline, weaken, lessen, degenerate)
4
put off(verb, expression, upset, bother, disturb)
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APASmart Define. (2015). sicken thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/sicken/thesaurus/synonyms
ChicagoSmart Define. 2015. "sicken thesaurus" https://smartdefine.org/sicken/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, sicken thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/sicken/thesaurus/synonyms>.
MLASmart Define. "sicken thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/sicken/thesaurus/synonyms>