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Synonyms

chronic

American  
[kron-ik] / ˈkrɒn ɪk /
Rarely chronical

adjective

  1. constant; habitual; inveterate.

    a chronic liar.

    Synonyms:
    hardened, confirmed
  2. continuing a long time or recurring frequently.

    a chronic state of civil war.

  3. having long had a disease, habit, weakness, or the like.

    a chronic invalid.

  4. (of a disease) having long duration (opposed to acute).


noun

  1. Slang. cronic.

chronic British  
/ krɒˈnɪsɪtɪ, ˈkrɒnɪk /

adjective

  1. continuing for a long time; constantly recurring

  2. (of a disease) developing slowly, or of long duration Compare acute

  3. inveterate; habitual

    a chronic smoker

  4. informal

    1. very bad

      the play was chronic

    2. very serious

      he left her in a chronic condition

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

chronic Scientific  
/ krŏnĭk /
  1. Relating to an illness or medical condition that is characterized by long duration or frequent recurrence. Diabetes and hypertension are chronic diseases.

  2. Compare acute


Other Word Forms

Etymology

Origin of chronic

First recorded in 1595–1605; from Latin chronicus, from Greek chronikós, equivalent to chrón(os) “time” + -ikos -ic

Explanation

If you smoke a cigarette once, you've simply made a bad choice. But if you're a chronic smoker, you've been smoking for a long time and will have a hard time stopping. The word chronic is used to describe things that occur over a long period of time and, in fact, comes from the Greek word for time, khronos. If you have chronic asthma, it is a recurring health issue for you. No one likes a chronic liar! A problem that cannot be solved can also be called chronic - think of the chronic food shortages in certain parts of the world.

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Vocabulary lists containing chronic

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The bigger problem you’ll be facing is New York City’s chronic housing shortage.

From MarketWatch Jul. 27, 2026

Rather than treating obesity simply as the result of poor choices, the country's new law recognises it as a chronic disease influenced by biology, environment and social circumstances.

From BBC Jul. 25, 2026

They can wind up with a form of chronic obstructive pulmonary disease like emphysema, tethered to oxygen as their health declines.

From The Wall Street Journal Jul. 23, 2026

"Helicobacter bacteria have long been associated with gastrointestinal disorders in humans and other animals, including chronic gastritis, ulcers, and even gastric cancer," said Annie Page, D.V.M.,

From Science Daily Jul. 21, 2026

A chronic fear of being slighted made him avoid his equals, made him stand, where his inferiors were concerned, self-consciously on his dignity.

From "Brave New World" by Aldous Huxley

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