1. indefatigable - Adjective
2. indefatigable - Adjective Satellite
3. Indefatigable - Proper noun
Incapable of being fatigued; not readily exhausted; unremitting in labor or effort; untiring; unwearying; not yielding to fatigue; as, indefatigable exertions, perseverance, application.
Source: Webster's dictionaryThe optimism of a healthy mind is indefatigable. Margery Allingham
To him, a stilted geometric love of arrangement was "system,” an indefatigable and feverish interest in the pettiest facets of day-to-day bureaucracy was "industry,” indecision when right was "caution,” and blind stubbornness when wrong, "determination.”. Isaac Asimov
Oceans of horse-hair, continents of parchment, and learned-sergeant eloquence, were it continued till the learned tongue wore itself small in the indefatigable learned mouth, cannot make unjust just. Thomas Carlyle
The indefatigable pursuit of an unattainable perfection, even though it consist in nothing more than the pounding of an old piano, is what alone gives a meaning to our life on this unavailing star. Logan Pearsall Smith
The secret to being successful from a trading perspective is to have an indefatigable and an undying and unquenchable thirst for information and knowledge. Paul Tudor Jones
Who of us is able to read and understand and be entirely confident of the validity of his title to the land he lives on, and which he has redeemed from a state of nature by the most indefatigable industry and perseverance? William H. Wharton