| exhalation | (noun) the act of expelling air from the lungs | Synonyms: breathing out, expiration |
|---|
| (noun) exhaled breath | Synonyms: halitus |
| exhaust | (noun) system consisting of the parts of an engine through which burned gases or steam are discharged | Synonyms: exhaust system |
|---|
| (noun) gases ejected from an engine as waste products | Synonyms: exhaust fumes, fumes |
| exhaustion | (noun) the act of exhausting something entirely | - |
|---|
| (noun) serious weakening and loss of energy | Synonyms: debilitation, enervation, enfeeblement |
| (noun) extreme fatigue | - |