inexhaustible

[ in-ig-zaws-tuh-buh l ]

/ ˌɪn ɪgˈzɔs tə bəl /

not exhaustible; incapable of being depleted: an inexhaustible supply.

untiring; tireless: an inexhaustible runner.

Origin of inexhaustible

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

in·ex·haust·i·bil·i·ty, in·ex·haust·i·ble·ness, noun in·ex·haust·i·bly, adverb

I was, in fact, one of the lucky recipients of the inexhaustible generosity documented in the film.

My Friend, Roger Ebert: Pulitzer Prize Winner Tom Shales on the Moving Documentary ‘Life Itself’ |Tom Shales |July 6, 2014 |DAILY BEAST
There is not an inexhaustible supply of experienced pilots to operate these fleets.

Flight 370 Is Just the Start: Why Asia Isn't Getting Air Safety Right |Clive Irving |March 13, 2014 |DAILY BEAST
The Complete Works By Michel de Montaigne This is the one inexhaustible book anyone interested in the form must have.

Phillip Lopate’s Book Bag: The Essay Tradition |Phillip Lopate |February 5, 2013 |DAILY BEAST
Her brashness, inventiveness, and inexhaustible energy carried her the rest of the way.

Elsa Maxwell, the Kingmaker |Mark Braude |November 1, 2012 |DAILY BEAST

What figurations, what formulas, could describe the inexhaustible kinesis of those years?

The Svengali of Pop Art |Annie Cohen-Solal |May 13, 2010 |DAILY BEAST
This is that contemplation of inexhaustible melancholy, whose shadow eclipses the brightness of the world.

A Defence of Poetry and Other Essays |Percy Bysshe Shelley
From the inexhaustible treasure of her feelings she drew words, glances, gestures that appeased every uneasiness of my heart.

Romance |Joseph Conrad and F.M. Hueffer
Every achievement of good deepens and quickens our sense of the inexhaustible value contained in every right act.

Ethics |John Dewey and James Hayden Tufts
Mr. Sterling Jackson was a very pleasant fellow, with an inexhaustible fund of humour.

The White Shield |Myrtle Reed
The subject is inexhaustible, the mine can never be worn out.

Blackwood's Edinburgh Magazine, Volume 60, No. 372, October 1846 |Various

inexhaustible

/ (ˌɪnɪɡˈzɔːstəbəl) /

incapable of being used up; endless inexhaustible patience

incapable or apparently incapable of becoming tired; tireless

inexhaustibility or inexhaustibleness, noun inexhaustibly, adverb