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.

See Examples For:

diseases

The bacteria itself blocks transmission of diseases such as dengue, Zika and chikungunya, so "you will still have mosquitoes biting people, but they will not transmit disease."

From Barron's ● Aug. 7, 2026

This isn’t a pandemic anymore, according to experts, but that’s because the virus is now endemic — it’s a part of our daily lives like flu, HIV and other infectious diseases.

From Salon ● Aug. 6, 2026

Roughly half of advanced melanoma patients’ diseases eventually progress while taking immunotherapies like Opdivo and Merck’s Keytruda.

From The Wall Street Journal ● Aug. 6, 2026

Highly hazardous substances are common on Kenyan farms and some have been linked to serious diseases.

From BBC ● Aug. 4, 2026

Yellow fever was one of the most vicious diseases in the world and could create panic anywhere.

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