Definitions

chronic

[kron-ik] / ˈkrɒn ɪk /

ADJECTIVE

incessant, never-ending

Synonyms

STRONGEST

constant continual continuing continuous deep-rooted deep-seated habitual incurable lifelong lingering persistent protracted recurrent recurring sustained

WEAK

abiding ceaseless confirmed enduring ever-present fixed inborn inbred ineradicable ingrained inveterate lasting long-lived long-standing obstinate perennial persisting prolonged rooted routine settled stubborn tenacious unabating unmitigated unyielding usual

Antonyms

STRONGEST

ceasing ending halting inconstant infrequent intermittent interrupted occasional stopping temporary

WEAK

curable eradicable

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.

Exposure can also create chronic respiratory issues, according to the EPA.

From The Wall Street Journal • May 24, 2026

Rather than simply blocking pain signals, the researchers believe the approach may address one of the underlying causes of chronic nerve pain by restoring the energy supply nerve cells need to function properly.

From Science Daily • May 24, 2026

If it gets into the air, it can harm people at high concentrations and through chronic exposure.

From Los Angeles Times • May 23, 2026

“Not only do they maintain a higher level of exercise capacity, but the risk of many chronic diseases is also reduced.”

From Barron's • May 23, 2026

Ernest was fighting a chronic sinus infection, his back was aching, and an orthopedic brace that had been made for him fit so poorly it aggravated rather than relieved the pain.

From "Big Science" by Michael Hiltzik

Vocabulary lists containing chronic

List 2

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It's About Time: Chron and Temp

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100 SAT words Beginning with "C"

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