Definition

1. Adjective:
   • Capable of being used up or depleted completely: Describes a resource, supply, or quantity that can be entirely consumed or run out through use.
   • Capable of being exhausted in terms of discussion or investigation: Describes a topic or subject that can be fully discussed or explored, leaving no further aspects to consider.

Usage and Examples

• Describing a finite resource:
  • Fossil fuels are an exhaustible source of energy.
  • We must manage our exhaustible water reserves carefully.
• Describing a fully discussable topic (less common):
  • The philosophical argument, though complex, is exhaustible.
  • The committee found the list of issues to be exhaustible within a single meeting.

Advanced Usage

• "inherently exhaustible": Emphasizes that the nature of something is to be used up.
  • Unlike solar power, coal is an inherently exhaustible resource.
• "practically exhaustible": Suggests that something can be depleted for all practical purposes, even if not theoretically absolute.
  • The aquifer is exhaustible on a human timescale.

Variants and Related Words

• Exhaust (verb): To use up completely; to drain of resources or energy.
  • The long journey will exhaust our supplies.
• Exhaustion (noun): The state of being completely used up or the act of using something up.
  • The exhaustion of the mine led to the town's decline.
• Inexhaustible (adjective): The direct opposite; incapable of being used up.
  • Her enthusiasm seems inexhaustible.

Synonyms

• Depletable: Capable of being reduced or used up.
• Finite: Having limits or bounds; not infinite.
• Limited: Restricted in size, amount, or extent.

Antonyms

• Inexhaustible: Incapable of being used up; limitless.
• Renewable: Capable of being replenished or restored.
• Infinite: Limitless or endless in space, extent, or size.

Adjective

1. capable of being used up; capable of being exhausted
   • our exhaustible reserves of fossil fuel
2. capable of being used up