[bree-thuh-buh l]

Origin of breathable

First recorded in 1725–35; breathe + -able
Related formsbreath·a·bil·i·ty, breath·a·ble·ness, nounun·breath·a·ble, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for breathable

Historical Examples of breathable

  • What are the odds, that the air of Sirius Three is breathable, he wondered.

    The Quantum Jump

    Robert Wicks

  • By now the air was breathable, and he could see into the deserted Gulch.

  • "Titan's new atmosphere is clean and breathable, now, Bert," Alice went on.

    Big Pill

    Raymond Zinke Gallun

  • By their explosion we on Venus could determine whether or not this world had a breathable atmosphere.

  • She spoke, now, with her helmet face-window open, for there was breathable air around them.

    Big Pill

    Raymond Zinke Gallun

British Dictionary definitions for breathable


  1. (of air) fit to be breathed
  2. (of a material) allowing air to pass through so that perspiration can evaporate
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012