I. ig-ˈzȯst verb
Etymology: Latin exhaustus, past participle of exhaurire, from ex- + haurire to draw; akin to Middle High German œsen to empty, Greek auein to take
Date: 1531
transitive verb
1.
a. : to consume entirely : use up
exhaust ed our funds in a week
b. : to tire extremely or completely
exhaust ed by overwork
c. : to deprive of a valuable quality or constituent
exhaust a photographic developer
exhaust a soil of fertility
2.
a. : to draw off or let out completely
b. : to empty by drawing off the contents ; specifically : to create a vacuum in
3.
a. : to consider or discuss (a subject) thoroughly or completely
b. : to try out the whole number of
exhaust ed all the possibilities
intransitive verb
: discharge , empty
the engine exhaust s through the muffler
Synonyms: see deplete , tire
• ex·haust·er noun
• ex·haust·ibil·i·ty -ˌzȯ-stə-ˈbi-lə-tē noun
• ex·haust·ible -ˈzȯ-stə-bəl adjective
II. noun
Date: 1848
1.
a. : the escape of used gas or vapor from an engine
b. : the gas or vapor thus escaping
2.
a. : the conduit through which used gases escape
b. : an arrangement for removing fumes, dusts, or odors from an enclosure
3. : exhaustion