Origin of indefatigable
OTHER WORDS FROM indefatigablein·de·fat·i·ga·bil·i·ty, in·de·fat·i·ga·ble·ness, nounin·de·fat·i·ga·bly, adverb
How to use indefatigable in a sentence
The man is an indefatigable scholar of the game — he studies it as hard as maybe any quarterback but Tom Brady — and that’s the biggest problem he poses for the Tampa Bay Buccaneers in Sunday’s Super Bowl.Patrick Mahomes has unmatched physical gifts. His intellect might be what sets him apart.|Sally Jenkins|February 5, 2021|Washington Post
Your mastery of the language, and your indefatigability, would make you infinitely useful in any of these departments.
It is as if, for all his physical robustness, he has not quite the spiritual indefatigability of the major artist.Musical Portraits|Paul Rosenfeld
His indefatigability infected his comrades, they became more eager the longer the struggle lasted.Pelle the Conqueror, Complete|Martin Anderson Nexo