Word of the DayMay 1, 2025

indefatigable

Definition

being persistent at something, with great effort and never-ending commitment

Example Usage

as head of the ethics board, she was indefatigable in her campaigning for better rights for all

Synonyms

  • tenacious
  • unfaltering
  • relentless
  • tireless
Get Daily Dictionary for iPhone and iPadWord of the day notifications. Bookmarks. Home Screen widget. And much more.