Difficulty in breathing, often associated with lung or heart disease and resulting in shortness of breath. Also called air hunger.
[Latin dyspnoea, from Greek duspnoia : dus-, dys- + pnoiā, -pnoia, breathing; see pneu- in the Appendix of Indo-European roots.]
dysp·neic (-nēĭk) adj.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The American Heritage Dictionary Blog
Check out our blog, updated regularly, for new words and revised definitions, interesting images from the 5th edition, discussions of usage, and more.