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.

Diseases such as Alzheimer's, Parkinson's, and Huntington's slowly damage the brain by destroying neurons, the cells that carry messages through the nervous system.

From Science Daily • May 27, 2026

“Public-health policies that single out non-U.S. citizens won’t prevent viruses from crossing our borders,” Jeanne Marrazzo, CEO of the Infectious Diseases Society of America, said in a statement.

From MarketWatch • May 18, 2026

Army Medical Research Institute of Infectious Diseases, adding that the project is part of its larger initiative to tackle emerging infectious diseases.

From Barron's • May 11, 2026

Meanwhile Singapore's Communicable Diseases Agency said it was isolating and testing two men - a 67-year-old Singaporean and a 65-year-old permanent resident - who disembarked the ship in St Helena.

From BBC • May 7, 2026

He was also an important official at the C.D.C., the director of the National Center for Infectious Diseases.

From "The Hot Zone" by Richard Preston