Definition of chronic
1a : continuing or occurring again and again for a long time
chronic indigestion chronic experiments
b : suffering from a chronic disease
the special needs of chronic patients
2a : always present or encountered especially : constantly vexing, weakening, or troubling chronic petty warfare chronic meddling in one another's domestic affairs— Amatzia Baram
b : being such habitually
a chronic grumbler
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Time Traveler for chronic
The first known use of chronic was in 1601
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