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.

Millions of exhaust-belching motorbikes zip through Hanoi's narrow streets every day fuelling its chronic air pollution, but authorities have backtracked from an ambitious plan to ban them in favour of electric two-wheelers.

From Barron's • May 19, 2026

Because of these risks, extended fasting should not be attempted without medical guidance, especially for people with diabetes, eating disorders, cardiovascular disease, or other chronic illnesses.

From Science Daily • May 17, 2026

Researchers at the Marshall University Joan C. Edwards School of Medicine have uncovered new evidence that tiny particles created in the gut may contribute to inflammation and chronic diseases linked to aging.

From Science Daily • May 16, 2026

The state also uses Medicaid dollars to subsidize housing, meal deliveries and in-home chefs for patients with chronic diseases.

From The Wall Street Journal • May 15, 2026

For centuries many of the inhabitants of this region suffered from what came to be known as “the Reichenstein disease” — chronic arsenicism with accompanying disorders of the liver, skin, and gastrointestinal and nervous systems.

From "Silent Spring" by Rachel Carson

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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