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diseases

NOUN

ailment, affliction

Synonyms

STRONGEST

bug cancer condition contamination defect disorder epidemic fever flu illness infection inflammation malady plague sickness stroke syndrome virus

STRONG

ache affection attack blight breakdown canker collapse complaint contagion convulsions debility decrepitude distemper endemic feebleness fit hemorrhage indisposition infirmity misery seizure spell temperature unhealthiness unsoundness upset visitation

WEAK

ill health pathosis sickliness

Antonyms

STRONGEST

advantage good health health

STRONG

ability blessing boon happiness soundness strength

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.

But in lupus, and other autoimmune diseases, the B cells go rogue and produce antibodies that can attack the body.

From BBC • Jun. 11, 2026

Alveolar echinococcosis is considered the third most important food-borne illness globally and is listed by the World Health Organization among the top 20 neglected tropical diseases.

From Science Daily • Jun. 11, 2026

Many of these diseases work in a similar way to lupus.

From BBC • Jun. 11, 2026

Long treated as isolated or individual diseases, the conditions are interrelated, usually tied to excess abdominal fat, and a major driver of heart disease, according to the AHA.

From The Wall Street Journal • Jun. 9, 2026

He still spent most of his time in Haiti, but as an attending specialist on the Brigham’s senior staff, he was sought after frequently for his diagnoses of ID—infectious diseases.

From "Mountains Beyond Mountains" by Tracy Kidder and Michael French