• make (someone) feel very tired

Synonyms: tire out, wear out, overtire, overtax, fatigue, weary, tire, drain, run someone into the ground, run someone ragged, enervate, sap, debilitate, prostrate, enfeeble, tiring, wearying, taxing, fatiguing, wearing, enervating, draining, sapping, debilitating

• use up (resources or reserves) completely

Synonyms: use up, run through, go through, consume, finish, deplete, expend, spend, dissipate, waste, squander, fritter away

• expel (gas or steam) from or into a particular place

• waste gases or air expelled from an engine, turbine, or other machine in the course of its operation

Synonyms: smoke, vapour, gas, exhalation, exhaust, effluvium, pollution