Definition of illness Illness

/ɪˈlnʌs/ - [ilnus] - ill•ness

We found 9 definitions of illness from 6 different sources.

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What does illness mean?

WordNet

WordNet by Princeton University

Noun

Plural: illnesses

illness - impairment of normal physiological function affecting part or all of an organism
  unwellness, malady, sickness
  wellness, health the general condition of body and mind; "his delicate health"; "in poor health"
  health problem, ill health, unhealthiness a state in which you are unable to function normally and without pain
  condition the procedure that is varied in order to estimate a variable's effect by comparison with a control condition
  ague a fit of shivering or shaking
  amyloidosis a disorder characterized by deposit of amyloid in organs or tissues; often secondary to chronic rheumatoid arthritis or tuberculosis or multiple myeloma
  anuresis, anuria inability to urinate
  catastrophic illness severe illness requiring prolonged hospitalization or recovery; usually involves high costs for hospitals and doctors and medicines
  prostration, collapse the act of assuming a prostrate position
  bends, caisson disease, decompression sickness, aeroembolism, air embolism, gas embolism pain resulting from rapid change in pressure
  food poisoning, gastrointestinal disorder illness caused by poisonous or contaminated food
  lead poisoning, plumbism, saturnism toxic condition produced by the absorption of excessive lead into the system
  disease an impairment of health or a condition of abnormal functioning
  hypermotility excessive movement; especially excessive motility of the gastrointestinal tract
  indisposition a slight illness
  ozone sickness illness that can occur to persons exposed to ozone in high-altitude aircraft; characterized by sleepiness and headache and chest pains and itchiness
  toxaemia of pregnancy, toxemia of pregnancy, toxaemia, toxemia an abnormal condition of pregnancy characterized by hypertension and edema and protein in the urine
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Wiktionary Wiktionary dictionary logo

  • illness (Noun)
    An instance of a disease or poor health.
  • illness (Noun)
    A state of bad health or disease.

Webster DictionaryWebster's Unabridged Dictionary 📘

  • illness (n.)
    The condition of being ill, evil, or bad; badness; unfavorableness.
  • illness (n.)
    Disease; indisposition; malady; disorder of health; sickness; as, a short or a severe illness.
  • illness (n.)
    Wrong moral conduct; wickedness.

OmegaWiki DictionaryOmegaWiki Dictionary Ω

  • illness
    Definite pathological process having a characteristic set of signs and symptoms which are detrimental to the well-being of the individual.

Wikipedia Wiktionary dictionary logo

  • An illness (sometimes called ill-health or ail) is when a person has poor health.

Part of speech

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Pronunciation

Word frequency

Illness is...

60% Complete
Very rare
Rare
Normal
Common
Very Common
66% Complete
Rare
Normal
Common

Sign Language

illness in sign language
Sign language - letter I Sign language - letter I Sign language - letter L Sign language - letter L Sign language - letter L Sign language - letter L Sign language - letter N Sign language - letter N Sign language - letter E Sign language - letter E Sign language - letter S Sign language - letter S Sign language - letter S Sign language - letter S