Disorder
Disorder noun - An abnormal state that disrupts a plant's or animal's normal bodily functioning.
Usage example: afflicted all her life with a nervous disorder
Illness is a synonym for disorder in ailment topic. In some cases you can use "Illness" instead a noun "Disorder", when it comes to topics like disease, sickness, health. popular alternative
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
Disorder is a synonym for illness in sickness topic. You can use "Disorder" instead a noun "Illness", if it concerns topics such as ailment, disease, health. popular alternative
Nearby Word: ill
Mutual synonyms
Related pairs
- affection and disorder
- affection and illness
- malady and disorder
- malady and illness
- ailment and disorder
- ailment and illness
- complaint and disorder
- complaint and illness
- disease and disorder
- disease and illness
- indisposition and disorder
- indisposition and illness
- sickness and disorder
- sickness and illness
How words are described
| physical | physical disorder | physical illness |
| rare | rare disorder | rare illness |
| similar | similar disorder | similar illness |
| related | related disorder | related illness |
| Other adjectives: common, specific, actual, real, severe, extreme, serious, major, mental, possible, deadly, mysterious, incurable, strange, congenital, unspecified, magical, crippling, debilitating, genetic, neurological, degenerative, untreated. | ||
Both words in one sentence
- It's part of the diagnostic criteria of several mental illness including schizophrenia, delusional disorder, and bipolar disorder.
Source: Referential Mania -
She suffered from severe mental illness (likely bipolar disorder) and was institutionalized by her own son later in life.
Source: Henpecked Husband - Munchausen Syndrome is a psychological disorder that causes people to feign illness for attention.
Source: Munchausen Syndrome
Cite this Source
Illness and Disorder. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/disorder/illness
Disorder & Illness. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/disorder/illness>.
Illness or Disorder. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/disorder/illness.
Google Ngram Viewer shows how "disorder" and "illness" have occurred on timeline