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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  
/ 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  
/ krŏn′ĭk /
  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:

There are several risk factors for NAION, including a chronic condition like Type 2 diabetes or high blood pressure, or being born with a small optic disc.

From MarketWatch ● Sep. 28, 2026

The 27,000 residents that remain in Mene Grande contend with chronic blackouts and crumbling infrastructure, with some of the wells better fit for a museum than a working oil field.

From Barron's ● Sep. 26, 2026

Raquel Meseguer Zafe, a professional dancer from Easton, developed chronic pain in her late 20s.

From BBC ● Sep. 23, 2026

Such a strategy could eventually have implications for surgical recovery and chronic wounds, both of which can become more difficult to manage in older adults.

From Science Daily ● Sep. 23, 2026

And what about the prescription drugs I’ve been taking for a chronic nasal congestion problem?

From "Nickel and Dimed: On (Not) Getting By in America" by Barbara Ehrenreich

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