- incapable of being tired out; not yielding to fatigue; untiring.
Origin of indefatigable
Synonyms for indefatigableSee more synonyms for on Thesaurus.com
Related Words for indefatigabilityspunk, moxie, grit, endurance, stamina, determination, tenacity, dedication, steadfastness, persistence, energy, vitality, fortitude, resilience, perseverance, continuance, constancy, backbone, pertinacity, guts
Examples from the Web for indefatigability
Historical Examples of indefatigability
No painter ever copied himself with more constancy and indefatigability.Greuze
Alys Eyre Macklin
It is because of my own indefatigability in talking about talk about talk that they made me a Knight.The Tower of Oblivion
Your mastery of the language, and your indefatigability, would make you infinitely useful in any of these departments.
Owing to the indefatigability of collectors and their persistent and tempting offers, many have left their old homes.Chats on Cottage and Farmhouse Furniture
At the Westminster election, his indefatigability against the ministerial favourite came amply into play.
- unable to be tired out; unflagging