Unflagging and Worn-out

Unflagging

Unflagging adjective - Showing no signs of weariness even after long hard effort.
Usage example: being rewarded for the unflagging zeal with which she led the fund-raising campaign

Worn-out is an antonym for unflagging.

Worn-out

Worn-out adjective - Depleted in strength, energy, or freshness.

Unflagging is an antonym for worn-out.
Cite this Source
Worn-out and Unflagging. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/unflagging/worn-out
Unflagging & Worn-out. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/unflagging/worn-out>.
Worn-out or Unflagging. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/unflagging/worn-out.