exhaustion Definition

exhaust
verb exhausted, exhausting

1. To make (a person or animal) very tired.

Thesaurus: fatigue, weaken, tax, tire out, overwork, weary; Antonym: refresh.
2. To use something up completely.

Thesaurus: wear out, deplete, expend, consume, use up, finish, spend, drain, dry, empty, bankrupt; Antonym: supply.
3. To say all that can be said about (a subject, etc).
4. engineering.
To empty (a container) or draw off (gas).

noun

1. The escape of waste gases from an engine, etc.
2. The gases themselves.

Thesaurus: emission, emanation, fumes, discharge, exhalation.
3. The part or parts of an engine, etc through which the waste gases escape.

Derivative: exhausted
adj

Derivative: exhaustible
adj

Derivative: exhausting
adj

Derivative: exhaustion
noun

A feeling or state of extreme tiredness
Thesaurus: fatigue, weariness, tiredness, prostration, lassitude, debilitation; Antonym: freshness.

noun

The action of using something up completely
Thesaurus: depletion, emptying, consumption.

Etymology: 16c: from Latin exhaurire, exhaustum to draw off or drain away.