Part of speech: adjective
Origin: Latin, early 17th century
(of an amount or supply of something) unable to be used up because existing in abundance
Examples of Inexhaustible in a sentence
" 'Words are, in my not-so-humble opinion, our most inexhaustible source of magic.' —Harry Potter and the Deathly Hallows"
"It seems like there's an inexhaustible supply of treats in the pantry."
Popularity Over Time
Exhaust is a simple word meaning to use up resources entirely. When you add the prefix "in-," meaning not, and the suffix "-able," meaning able to be, you get inexhaustible — a never-ending supply of resources.
Did you Know?
Wind power is being explored as a possible inexhaustible source of energy. Sailboats have long harnessed the power of the wind, but massive fields of turbines are also doing it on land. There are more than 60,000 wind turbines operating in the United States.