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 agency said the extreme heat will increase the risk of heat-related illnesses.

From MarketWatch • Jun. 30, 2026

The executive order “brought a big sigh of relief to CEOs across the country,” said Bill Marler, a lawyer who represents victims of food-borne illnesses.

From The Wall Street Journal • Jun. 29, 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

Its total incident rate — a metric that measures the frequency of workplace injuries and illnesses — outperforms the industry average by 14%, the company said.

From Los Angeles Times • Jun. 23, 2026

I've represented mentally disabled people whose illnesses have often landed them in prison for decades.

From "Just Mercy" by Bryan Stevenson