: a chronic lung disorder that is marked by recurring episodes of airway obstruction (as from bronchospasm) manifested by labored breathing accompanied especially by wheezing and coughing and by a sense of constriction in the chest, and that is triggered by hyperreactivity to various stimuli (such as allergens or rapid change in air temperature)
Examples of asthma in a Sentence
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But gas combustion still results in harmful pollutants, including nitrogen oxides, which the American Lung Assn. says can cause asthma attacks and reduced lung function.
—
Sammy Roth, Los Angeles Times, 22 May 2025
After her death in 2006 from an asthma attack, the then 30-year-old Jason was left raising their young children, Jack and Sarah.
—Meg Walters, Glamour, 21 May 2025
Allergies and Asthma Allergies and allergic asthma symptoms occur when the immune system overreacts to environmental triggers, such as pollen, dust, or pet dander.
—Lindsay Curtis, Verywell Health, 12 May 2025
Their mother, Margaret Fitzpatrick, died unexpectedly in 2006 from a reported asthma attack, when Jack was only 2 years old and Sarah was a newborn.
—Lynsey Eidell, People.com, 10 May 2025
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Sammy Roth, Los Angeles Times, 22 May 2025
After her death in 2006 from an asthma attack, the then 30-year-old Jason was left raising their young children, Jack and Sarah.
—Meg Walters, Glamour, 21 May 2025
Allergies and Asthma Allergies and allergic asthma symptoms occur when the immune system overreacts to environmental triggers, such as pollen, dust, or pet dander.
—Lindsay Curtis, Verywell Health, 12 May 2025
Their mother, Margaret Fitzpatrick, died unexpectedly in 2006 from a reported asthma attack, when Jack was only 2 years old and Sarah was a newborn.
—Lynsey Eidell, People.com, 10 May 2025
See All Example Sentences for asthma
Cite this Entry
“Asthma.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/asthma. Accessed 28 May. 2025.
Copy CitationKids Definition
asthma
noun
asth·ma
ˈaz-mə 
: a condition that is marked by difficulty in breathing with wheezing, a feeling of tightness in the chest, and coughing
Medical Definition
asthma
noun
asth·ma
ˈaz-mə
: a chronic lung disorder that is marked by recurring episodes of airway obstruction (as from bronchospasm) manifested by labored breathing accompanied especially by wheezing and coughing and by a sense of constriction in the chest, and that is triggered by hyperreactivity to various stimuli (as allergens or rapid change in air temperature)
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