res·pi·ra·ble \ˈresp(ə)rəbəl, rə̇ˈspīr-, rēˈspīr-\adjective Etymology: French or Late Latin; French respirable, from Late Latin respirabilis, from Latin respirare to respire + -abilis -able 1.: suitable for being breathed : adapted for respiration < a respirable atmosphere > 2.: capable of respiration < respirable beings > • res·pi·ra·ble·nessnoun-es