as in diseases
an abnormal state that disrupts a plant's or animal's normal bodily functioning
suffered from a mysterious illness that left her weak and tired all the time
Synonyms & Similar Words
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Recent Examples of illnesses
Oura rings are beloved for their ability to track steps, monitor sleep, and even catch illnesses before symptoms begin.
—
Genevieve Cepeda,
InStyle,
27 June 2026
Older adults and young children are most sensitive to extreme heat, as are people who are pregnant, overweight, have disabilities or chronic illnesses.
—
Mike Stunson,
USA Today,
26 June 2026
Prolonged exposure to extreme heat can cause illnesses like heat exhaustion, heat cramps, and the most serious type, heat stroke, according to the US Centers for Disease Control and Prevention.
—
Chris Dolce,
CNN Money,
26 June 2026
Their patients include children who have seizure disorders, congenital heart diseases that require surgery, cerebral palsy, traumatic brain injuries and leukemia, as well as others who need feeding tubes and ventilators to treat their illnesses, according to their court declarations.
—
Nicole Acevedo,
NBC news,
25 June 2026
In December 2025, Norwegian tech firm No Isolation introduced the AV1 classroom robot, enabling children with long-term illnesses to attend lessons remotely.
—
Jijo Malayil,
Interesting Engineering,
25 June 2026
Prolonged or acute exposure to smoke has been known to trigger heart attacks, strokes and other serious respiratory illnesses.
—
Alex Wigglesworth,
Los Angeles Times,
25 June 2026
The outbreak was first detected in the gold-mining town of Mongbwalu, where health workers began noticing a cluster of mysterious illnesses and deaths earlier this year.
—
Greg Dixon,
NPR,
24 June 2026
At just 3 months old, Josie had a string of illnesses – RSV, pneumonia and the flu.
—
Jan Carabeo,
CBS News,
17 June 2026
Genevieve Cepeda,
InStyle,
27 June 2026
Older adults and young children are most sensitive to extreme heat, as are people who are pregnant, overweight, have disabilities or chronic illnesses.
—
Mike Stunson,
USA Today,
26 June 2026
Prolonged exposure to extreme heat can cause illnesses like heat exhaustion, heat cramps, and the most serious type, heat stroke, according to the US Centers for Disease Control and Prevention.
—
Chris Dolce,
CNN Money,
26 June 2026
Their patients include children who have seizure disorders, congenital heart diseases that require surgery, cerebral palsy, traumatic brain injuries and leukemia, as well as others who need feeding tubes and ventilators to treat their illnesses, according to their court declarations.
—
Nicole Acevedo,
NBC news,
25 June 2026
In December 2025, Norwegian tech firm No Isolation introduced the AV1 classroom robot, enabling children with long-term illnesses to attend lessons remotely.
—
Jijo Malayil,
Interesting Engineering,
25 June 2026
Prolonged or acute exposure to smoke has been known to trigger heart attacks, strokes and other serious respiratory illnesses.
—
Alex Wigglesworth,
Los Angeles Times,
25 June 2026
The outbreak was first detected in the gold-mining town of Mongbwalu, where health workers began noticing a cluster of mysterious illnesses and deaths earlier this year.
—
Greg Dixon,
NPR,
24 June 2026
At just 3 months old, Josie had a string of illnesses – RSV, pneumonia and the flu.
—
Jan Carabeo,
CBS News,
17 June 2026
Recent Examples of Synonyms for illnesses
Noun
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Erika Anderson is a postdoctoral scholar at UC San Francisco harnessing molecular biology to better understand the development of diseases.
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Health scores indicate how well a country keeps its people alive and well, like whether children are born and stay healthy, whether adults live long lives and if the incidence of preventable diseases is kept low.
Noun
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Scientists are particularly concerned about microplastics, bits no larger than a grain of rice that could trigger heart and brain diseases and other ailments, either by their mere presence in people or from toxic chemicals leaching out of the particles.
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Interest in kratom surged in the last couple of years as users have reported consuming the compound in the form of a pill, powder or tea to treat various ailments.
Noun
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Olena started with the children, the most vulnerable refugees as well as the most likely vectors of new sicknesses in the theater.
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The most sicknesses were reported in Michigan.
Noun
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In the winter of 1920, the United States entered Prohibition in the United States after years of campaigning by temperance groups who believed alcohol sat at the root of many social ills.
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On this near-ideal night, all the ills of the past few years faded away, and an era — or at least a month — of real ambition began.
Noun
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For example, the prescription offered by those who saw a generally healthy way of life as the right way to prevent disease helped propel cleaning up the filthy cities of the Industrial Revolution—and that really did reduce the impact of common fevers.
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Amir suffered fevers and stomach issues during his incarceration at Dilley, according to the report.
Noun
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The England players and supporters may be at an advantage in the wet conditions.
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Building resilience Stephanie Niven, co-portfolio manager of the Global Sustainable Equity strategy at Ninety One, told CNBC on a call on Friday that her team took the view that the rise of intense weather conditions in Europe was creating a structural growth opportunity for investment.
Cite this Entry
“Illnesses.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/illnesses. Accessed 29 Jun. 2026.
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