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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.

As pets live longer, their chances of developing diseases increase.

From The Wall Street Journal • May 17, 2026

The researchers noted that the findings may also apply to chronic conditions involving long-term physiological stress, particularly diseases that share biological pathways with aging.

From Science Daily • May 16, 2026

"The UK has a world-leading national immunisation programme, which is regularly reviewed and updated to reflect the changing nature of infectious diseases and provide the best protection and outcomes for the public."

From BBC • May 16, 2026

We know that diseases can and do spread easily between people on cruises, but how much worse they are than in general life is hard to evaluate for sure.

From Slate • May 16, 2026

He spent the remaining thirteen years of his life curing diseases and battling opponents with his customary stubborn ferocity.

From "An American Plague: The True and Terrifying Story of the Yellow Fever Epidemic of 1793" by Jim Murphy