adjective
- Showing sustained enthusiastic action with unflagging vitality.
- usage: "an indefatigable advocate of equal rights"; "a tireless worker"; "unflagging pursuit of excellence"
- synonyms: indefatigable, unflagging, unwearying
- Characterized by hard work and perseverance.
- synonyms: hardworking, industrious, untiring
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). tireless. Retrieved September 20, 2026, from http://smartdefine.org/tireless/definitions/1185481 |
| Chicago | WordNet. 2010. "tireless" http://smartdefine.org/tireless/definitions/1185481 (accessed September 20, 2026). |
| Harvard | WordNet 2010, tireless, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/tireless/definitions/1185481>. |
| MLA | WordNet. "tireless" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/tireless/definitions/1185481> |