indefatigable

0 synonyms and 0 antonyms for indefatigable, grouped by meaning and by how common each one is.

Adj — Extremely persistent and untiring.

We haven't recorded synonyms for indefatigable yet. You can still read its full definition, where it comes from, or words that rhyme with it.

Etymology

From Middle French, from Latin indēfatīgābilis (“untiring”), from in- (“not”) + dēfatīgō (“to tire out”).