illnesses

NOUN

disease; bad health

Synonyms

STRONGEST

ailment breakdown collapse disability disorder disturbance flu ill health malady relapse seizure sickness syndrome virus

STRONG

affliction attack bug complaint confinement convalescence dose fit indisposition infirmity malaise prostration

WEAK

ailing diseasedness failing health poor health unhealth what's going around

Antonyms

STRONGEST

health order

STRONG

aid good health healthiness

WEAK

well-being wellness

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.

The surge in demand for emergency care is due to heat-related illnesses, in addition to the fact that heat can exacerbate conditions like chronic obstructive respiratory syndrome or kidney issues.

From MarketWatch • Jun. 30, 2026

FDA inspectors found bacteria and problems at Abbott’s Sturgis, Mich., plant, but the company denied links to infant illnesses.

From The Wall Street Journal • Jun. 29, 2026

Prolonged or acute exposure to smoke has been known to trigger heart attacks, strokes and other serious respiratory illnesses.

From Los Angeles Times • Jun. 25, 2026

Several people stranded in traffic on the M25 near Godstone in Surrey after a crash are being treated for heat-related illnesses, South East Coast Ambulance Service said.

From BBC • Jun. 24, 2026

I may have lived through many illnesses and survived them, never suspecting that I was ill.

From "Black Boy" by Richard Wright