Indefatigable
Indefatigable adjective - Showing no signs of weariness even after long hard effort.
Usage example: an indefatigable laborer who can work from sunrise to sunset
Persistent is a synonym for indefatigable in tenacious topic. In some cases you can use "Persistent" instead an adjective "Indefatigable", when it comes to topics like diligent, untiring.
Persistent
Persistent adjective - Continuing despite difficulties, opposition, or discouragement.
Indefatigable is a synonym for persistent in determined topic. You can use "Indefatigable" instead an adjective "Persistent", if it concerns topics such as tenacious, diligent.
Mutual synonyms
Related pairs
- steady and indefatigable
- steady and persistent
- determined and indefatigable
- determined and persistent
- obstinate and indefatigable
- obstinate and persistent
- stubborn and indefatigable
- stubborn and persistent
- relentless and indefatigable
- relentless and persistent
- tenacious and indefatigable
- tenacious and persistent
- constant and indefatigable
- constant and persistent
Cite this Source
Persistent and Indefatigable. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/indefatigable/persistent
Indefatigable & Persistent. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/indefatigable/persistent>.
Persistent or Indefatigable. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/indefatigable/persistent.
Google Ngram Viewer shows how "indefatigable" and "persistent" have occurred on timeline