Sick
Sick adjective - Filled with disgust.
Usage example: it makes me sick to think of someone hurting a helpless animal
Upset is a synonym for sick in disappointed topic. In some cases you can use "Upset" instead an adjective "Sick".
Mutual synonyms
Both words in one sentence
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He loves Rebecca too, but whenever Tacoma's upset or sick, there's a suspiciously large amount of crying and cuddling going on.
Source: Living Emotional Crutch -
And when River's upset or sick, it's her brother's bed she curls up in.
Source: Incest Subtext -
She and Youko are good friends and start cheering each other on, though Youko doesn't realize her own deeper feelings for Asahi until the sight of him with Aizawa starts making her feel sick and upset.
Source: Triang Relations
Cite this Source
Upset and Sick. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/sick/upset
Sick & Upset. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/sick/upset>.
Upset or Sick. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/sick/upset.
Google Ngram Viewer shows how "sick" and "upset" have occurred on timeline