Meaning of inexhaustible

in•ex•haust•i•ble

Pronunciation: (in"ig-zôs'tu-bul), [key]
— adj.
  1. not exhaustible; incapable of being depleted: an inexhaustible supply.
  2. untiring; tireless: an inexhaustible runner.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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