To inhale air or another gas:
To draw something such as air or smoke into the lungs by breathing; inspire.
To breathe in and out
Find another word for respire. In this page you can discover 12 synonyms, antonyms, idiomatic expressions, and related words for respire, like: breathe, inhale, breath, exhale, suspire, anaerobically, nitrify, photosynthesise, denitrify, photosynthesize and oxidate.