Diligent and Indefatigable

Diligent

Diligent adjective - Involved in often constant activity.
Usage example: a student who has been unceasingly diligent in pursuit of a degree in mathematics

Indefatigable is a synonym for diligent in unrelenting topic. In some cases you can use "Indefatigable" instead an adjective "Diligent", when it comes to topics like persevering, unflagging, tireless, hard-working. popular alternative

Nearby Words: diligence, diligently

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

Diligent is a synonym for indefatigable in unrelenting topic. You can use "Diligent" instead an adjective "Indefatigable", if it concerns topics such as tireless, untiring. popular alternative
Cite this Source
Indefatigable and Diligent. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/diligent/indefatigable
Diligent & Indefatigable. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/diligent/indefatigable>.
Indefatigable or Diligent. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/diligent/indefatigable.
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