asthma

noun

asth·​ma ˈaz-mə 

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 

British as-

adjective or noun

asthmatically

az-ˈma-ti-k(ə-)lē 

British as-

adverb

Examples of asthma in a Sentence

Recent Examples on the Web

That means thinking about children’s health, ensuring asthma patients take necessary precautions when going outdoors, and thinking about how to stay safe indoors. — Anjalee Khemlani, Forbes.com, 20 July 2026

People with existing heart or lung conditions face a higher risk of complications, including asthma attacks, heart attacks or strokes. — Kristi Miller, Twin Cities, 19 July 2026

For children with allergies or asthma, remove the carpet from their bedroom to prevent pollutants and allergens that can build up in the carpet. — Dr. Lauren Zajac, Boston Herald, 19 July 2026

Those with asthma, heart disease or other respiratory conditions, along with young children, older adults and pregnant women, are at higher risk, officials said. — Christopher Scarglato, Baltimore Sun, 17 July 2026

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

Phrases Containing asthma

• anti-asthma
• bronchial asthma

Rhymes for asthma

• chiasma
• plasma
• histoplasma
• mycoplasma
• toxoplasma
• miasma

Kids 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

asthmatic

az-ˈmat-ik 

adjective or noun

asthmatically

-ˈmat-i-k(ə-)lē 

adverb

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)