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.

People stranded in heavy traffic for hours following a serious crash between a van and lorry on the M25 are being treated for heat related illnesses in the highest June temperatures for decades.

From BBC • Jun. 24, 2026

I reached out to McAfee and asked him whether the illnesses might be connected to his practice of using problematic milk to make cheese.

From Salon • Jun. 22, 2026

She said the increased temperatures bring a higher risk of heat-related illnesses, especially for the young, the elderly and those without air conditioning.

From Los Angeles Times • Jun. 21, 2026

That means they're experiencing more of the chronic illnesses and health issues that can accompany old age.

From Barron's • Jun. 15, 2026

The survival mechanism has become the enemy, as in such illnesses as lupus and rheumatoid arthritis that can attack organs, joints, even the brain.

From "A Deadly Wandering: A Mystery, a Landmark Investigation, and the Astonishing Science of Attention in the Digital Age" by Matt Richtel