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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:

Castro was obsessed with cloning Ubre Blanca, a champion milk cow, to end the chronic milk shortage his agricultural policies created.

From The Wall Street Journal Aug. 13, 2026

It’s being tested as a treatment for Type 2 diabetes and chronic low-back pain.

From MarketWatch Aug. 12, 2026

But this August 13 comes amid one of Cuba's worst crises in living memory, with acute shortages of food and water, and chronic power cuts.

From Barron's Aug. 11, 2026

“When people have access to medical care through insurance, they tend to undertake activities that can help longevity, like better preventive care, better management of chronic and disabling conditions,” Cohen said.

From Salon Aug. 11, 2026

Here was an example of insane optimism coupled with the naive popular belief that a few hours of therapy can cure everything from chronic obesity to a lifetime of poverty.

From "Me Talk Pretty One Day" by David Sedaris

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