dyspnea
noun
dys·pnea ˈdis(p)-nē-ə 
: difficult or labored respiration
dyspneic
ˈdis(p)-nē-ik
adjective 
Example Sentences
Recent Examples on the Web But dyspnea is a medical emergency, after all, so in many cases there was simply no time for that last call, or anyone available to arrange it. 
Zeynep Tufekci, The Atlantic, 9 July 2020 In severe cases, the novel coronavirus can cause labored breathing (dyspnea), which progresses into acute respiratory distress in critical cases. Daniel Tenreiro, National Review, 1 May 2020 There are three major reasons people feel a sense of dyspnea, or labored breathing, Moss said. Fox News, 28 Apr. 2020 The most common adverse reactions (≥20%) seen in patients receiving Opdivo were fatigue, musculoskeletal pain, cough, dyspnea, and decreased appetite. Rachel Reiff Ellis, Woman's Day, 17 Mar. 2020
Zeynep Tufekci, The Atlantic, 9 July 2020 In severe cases, the novel coronavirus can cause labored breathing (dyspnea), which progresses into acute respiratory distress in critical cases. Daniel Tenreiro, National Review, 1 May 2020 There are three major reasons people feel a sense of dyspnea, or labored breathing, Moss said. Fox News, 28 Apr. 2020 The most common adverse reactions (≥20%) seen in patients receiving Opdivo were fatigue, musculoskeletal pain, cough, dyspnea, and decreased appetite. Rachel Reiff Ellis, Woman's Day, 17 Mar. 2020 Word History
Etymology
borrowed from Latin dyspnoea, borrowed from Greek dýspnoia, from dýspnoos, dýspnous "short of breath" (from dys- dys- + -pnoos, nominal ablaut derivative from the base of pnéō, pneîn "to breathe") + -ia -ia entry 1 — more at sneeze entry 1
First Known Use
circa 1681, in the meaning defined above
Medical Definition
dyspnea
noun
dys·pnea
variants or chiefly British dyspnoea
ˈdis(p)-nē-ə
: difficult or labored respiration compare eupnea