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

Colleen McCarthy said she was denied coverage for one of her cats because the insurer determined her cat’s asthma was pre-existing. — Taneia Surles, USA Today, 7 July 2026

Symptoms can include hives or a skin rash, nausea, stomach cramps, indigestion, vomiting, and diarrhea, a stuffy or runny nose, sneezing, headaches, and asthma, according to the American College of Allergy, Asthma & Immunology. — Michele Laufik, Martha Stewart, 7 July 2026

Researchers have identified hormone-disrupting and asthma-associated chemicals in some consumer products and continue to investigate combinations of chemicals that may warrant closer testing. — Brad Reisfeld, The Conversation, 6 July 2026

People at risk include individuals with heart disease, asthma, older adults, children and pregnant women, although higher air quality index values can also indicate unhealthy levels of pollution for everyone, even those outside the at-risk groups. — Zachary Folk, Forbes.com, 5 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)