Illness
Illness noun - An abnormal state that disrupts a plant's or animal's normal bodily functioning.
Usage example: suffered from a mysterious illness that left her weak and tired all the time
Infirmity is a synonym for illness in sickness topic. In some cases you can use "Infirmity" instead a noun "Illness", when it comes to topics like ailment, disease, health, symptom. popular alternative
Nearby Word: ill
Infirmity
Infirmity noun - An abnormal state that disrupts a plant's or animal's normal bodily functioning.
Usage example: an 18th-century quack who specialized in those mysterious infirmities that are known only to the idle rich
Illness is a synonym for infirmity in ailment topic. You can use "Illness" instead a noun "Infirmity", if it concerns topics such as sickness, health, symptom. popular alternative
Nearby Word: infirm
Mutual synonyms
Related pairs
- weakness and illness
- weakness and infirmity
- malady and illness
- malady and infirmity
- disorder and illness
- disorder and infirmity
- ailment and illness
- ailment and infirmity
- complaint and illness
- complaint and infirmity
- disease and illness
- disease and infirmity
- indisposition and illness
- indisposition and infirmity
Cite this Source
Infirmity and Illness. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/illness/infirmity
Illness & Infirmity. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/illness/infirmity>.
Infirmity or Illness. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/illness/infirmity.
Google Ngram Viewer shows how "illness" and "infirmity" have occurred on timeline