- not exhaustible; incapable of being depleted: an inexhaustible supply.
- untiring; tireless: an inexhaustible runner.
Origin of inexhaustible
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for inexhaustibility
Not the least of the Zoological Gardens' many attractions is their inexhaustibility.Adventures and Enthusiasms
E. V. Lucas
Furthermore, at that period, a great deal of talk was believed as to the inexhaustibility of Michigan pine.The Blazed Trail
Stewart Edward White
He felt a sense of reliance as upon an inexhaustibility of goodness in another soul.The Portion of Labor
Mary E. Wilkins Freeman
- incapable of being used up; endlessinexhaustible patience
- incapable or apparently incapable of becoming tired; tireless
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for inexhaustibility
Online Etymology Dictionary, © 2010 Douglas Harper