asthma

noun

asth·​ma ˈaz-mə How to pronounce asthma (audio)
British ˈas-
: 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)
asthmatic
az-ˈma-tik How to pronounce asthma (audio)
British as-
adjective or noun
asthmatically adverb

Examples of asthma in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Respiratory Conditions Chronic respiratory conditions like asthma and chronic obstructive pulmonary disease (COPD) affect your lungs and airways, causing symptoms like coughing, wheezing, shortness of breath, and chest tightness. Lindsay Curtis, Health, 6 Feb. 2026 Lilly has also started new studies of brenipatide — an experimental drug that mimics the same hormones as Zepbound — in tobacco use disorder, bipolar disorder and asthma. Bloomberg Wire, Dallas Morning News, 4 Feb. 2026 The regulations prevent more than 100,000 deaths annually, along with millions of asthma attacks, heart attacks, and lost workdays. Michelle A. Williams, STAT, 2 Feb. 2026 Connell, one woman who began seizing and one woman who had an asthma attack. Taylor Seely, AZCentral.com, 28 Jan. 2026 See All Example Sentences for asthma

Word History

Etymology

Middle English asma, borrowed from Medieval Latin asma, asthma, borrowed from Greek ásthma "panting, shortness of breath, asthma (as a medical condition)," of uncertain origin

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of asthma was in the 14th century

Browse Nearby Words

Cite this Entry

“Asthma.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/asthma. Accessed 8 Feb. 2026.

Kids Definition

asthma

noun
asth·​ma ˈaz-mə How to pronounce asthma (audio)
: a condition that is marked by difficulty in breathing with wheezing, a feeling of tightness in the chest, and coughing
asthmatic adjective or noun
asthmatically adverb

Medical Definition

asthma

noun
asth·​ma ˈaz-mə How to pronounce asthma (audio)
: 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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