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.

My partner recently had the same series of illnesses and we rushed to the hospital in an ambulance; a few hours difference and his outcome might have been as dire.

From MarketWatch • May 27, 2026

Mr. Pratt has recorded cute social-media videos with dogs, promising to overhaul the city’s dysfunctional shelter system and to require vagrants to get treatment for mental health illnesses and addictions.

From The Wall Street Journal • May 24, 2026

The scientists argue that this process helps explain why many illnesses appear mainly in older adults even though their origins may trace back much earlier.

From Science Daily • May 22, 2026

Initial symptoms of Ebola mirror illnesses such as malaria and typhoid, which are common in DR Congo.

From BBC • May 20, 2026

He was a jack-of-all-trades, breaking the sturdy little cow ponies, treating their injuries and illnesses, trimming their hooves, and bending over an anvil to forge their shoes.

From "Seabiscuit: An American Legend" by Laura Hillenbrand