| 1. | To so practised and indefatigable a horseman as Mr. - from Jane Eyre by Charlotte Bronte |
| 2. | A more resolute, indefatigable pioneer never wrought amidst rocks and dangers. - from Jane Eyre by Charlotte Bronte |
| 3. | 'What a row the brute makes' said the indefatigable man with the mustaches, appearing near us. - from Heart of Darkness by Joseph Conrad |
| 4. | He was respected by all who knew him for his integrity and indefatigable attention to public business. - from Frankenstein by Mary Wollstonecraft (Godwin) Shelley |
| 5. | A nation of courageous, hardy, indefatigable women, dwellin. - from The Iliad of Homer by Homer |
| 6. | I, I owe to the indefatigable interest taken in this work by Mr. - from The Notebooks of Leonardo Da Vinci, Complete by Leonardo Da Vinci |
| 7. | In the meantime Ferrier having recovered from his privations, distinguished himself as a useful guide and an indefatigable hunter. - from A Study In Scarlet by Arthur Conan Doyle |
| 8. | He said that "These were men to whose indefatigable zeal modern philosophers were indebted for most of the foundations of their knowledge. - from Frankenstein by Mary Wollstonecraft (Godwin) Shelley |
| 9. | And, to say the truth, an appetite, sharpened by the east wind that generally blew along the passage, was the only valuable result of so much indefatigable exercise. - from The Scarlet Letter by Nathaniel Hawthorne |