indefatigable
adjective
incapable of being tired out; not yielding to fatigue; untiring.
indefatigableness
-
a word derived from
indefatigable.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Benson, with less pretence and display than he had before exhibited, showed an energy and indefatigableness almost equal to Le Roi's; whatever he undertook, he "kept the pot a-boiling."
From The International Monthly, Volume 3, No. 2, May, 1851 by Various
They have got themselves into a defile where they might be finished; but too much security on the Republican part will give time to his talents and indefatigableness to extricate them.
From The Conqueror by Gertrude Franklin Horn Atherton
What strikes one strongly in studying the pioneer is his sleeplessness, his indefatigableness, his persistency in pursuit of his object.
From William Lloyd Garrison The Abolitionist by Archibald Henry Grimké
