inexhaustible

[in-ig-zaws-tuh-buhl]

adjective

1. not exhaustible; incapable of being depleted.

   an inexhaustible supply.

2. untiring; tireless.

   an inexhaustible runner.

inexhaustible

/ ˌɪnɪɡˈzɔːstəbəl /

adjective

1. incapable of being used up; endless

   inexhaustible patience

2. incapable or apparently incapable of becoming tired; tireless

Other Word Forms

• inexhaustibility noun
• inexhaustibleness noun
• inexhaustibly adverb

Word History and Origins

Origin of inexhaustible¹

1595–1605; < Latin inexhaust ( us ) not exhausted ( in- ³, exhaust ) + -ible

Example Sentences

The Ogallala Aquifer, which rests beneath the Great Plains and was once thought inexhaustible, now drops several feet per year in some areas, turning what was once America’s breadbasket into tomorrow’s dust bowl.

From Salon

O’Hara does little more than graffiti a mustache on this inexhaustible theatrical canvas.

From Los Angeles Times

Then there are the fish stories told by Mr. Mulliner at his local pub the Angler’s Rest, involving his inexhaustible circle of relatives.

From Los Angeles Times

Don’t underestimate what an intrepid dramatist can do with Shakespeare’s inexhaustible masterpiece.

From Los Angeles Times

Physical travail being an inexhaustible source of black comedy and a recurring metaphor for the human condition in Beckett’s writing, the depiction of mortal decline is on point.

From Los Angeles Times

Related Words

• bountiful 
• endless 
• infinite 
• limitless 
• never-ending