Sick
Sick adjective - Temporarily suffering from a disorder of the body.
Usage example: those coworkers who always seem to get sick immediately before or after long holiday weekends
Unhealthy is a synonym for sick in good topic. In some cases you can use "Unhealthy" instead the word "Sick" as an adjective or an adverb, when it comes to topics like diseased, not healthy. popular alternative
Unhealthy
Unhealthy adjective - Temporarily suffering from a disorder of the body.
Usage example: she's been unhealthy for almost a week now
Sick is a synonym for unhealthy in feeling topic. You can use "Sick" instead the word "Unhealthy" as an adjective or an adverb, if it concerns topics such as good, ill-looking. informal substitute
Nearby Word: unhealthily
Mutual synonyms
Both words in one sentence
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When Kairn becomes a zombie shortly after dying in Galaxy of Fear: City of the Dead, Zak thinks he looks sallow-skinned and unhealthy like he's been sick, not like the rotting zombies in his dreams.
Source: Undeathly Pallor
Cite this Source
Unhealthy and Sick. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/sick/unhealthy
Sick & Unhealthy. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/sick/unhealthy>.
Unhealthy or Sick. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/sick/unhealthy.
Google Ngram Viewer shows how "sick" and "unhealthy" have occurred on timeline