unbreathable

adjective
un·​breath·​able | \ˌən-ˈbrē-t͟hə-bəl \

Definition of unbreathable 

: not fit for being breathed

Examples of unbreathable in a Sentence

Recent Examples on the Web

California, meanwhile, is still dealing with the deadliest and most destructive wildfire season on record, also with environmental after-effects; in the Bay Area, toxic ash laden with heavy metals infiltrated the soil and made air unbreathable. Emily Atkin, New Republic, "The Most Overlooked Environmental Crisis of 2017," 13 Dec. 2017 Their two-stroke engines created a tremendous din, and the cars belched out an acrid smoke making the new breath of freedom almost unbreathable. Bill Alkofer, Orange County Register, "A Tribute to the terrible Trabant," 1 Jan. 2017 Living on Mars, with its unbreathable atmosphere, lack of liquid surface water, and toxic soil, will challenge the hardiest of astronauts. National Geographic, "Here’s What It Feels Like to Spend a Year on ‘Mars’," 29 Aug. 2016 A trip to the red planet is like visiting an even more inhospitable Antarctica, and its unbreathable atmosphere is less than two percent of what you’d find at Everest’s summit. Michael Greshko, National Geographic, "SpaceX Wants to Go to Mars. Here’s Why Humans Aren’t There Yet.," 27 Sep. 2016

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unbreathable.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of unbreathable

1846, in the meaning defined above

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The first known use of unbreathable was in 1846

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