to tire (somebody) completely
to use or consume (a supply, etc) entirely
to develop or deal with (a subject) to the fullest possible extent
to try out the whole number of (possibilities, etc)
to draw off or let out (something) completely
to empty (something) by drawing off the contents; specif to create a vacuum
to discharge or empty
The engine exhausts through a silencer
exhaustedly adv
exhauster noun
exhaustibility /-ʹbiliti/ noun
exhaustible adj
exhausting adj
exhaustingly adv
[Latin exhaustus, past part. of exhaurire, from ex-1 + haurire to draw, drain]