Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun indefatigableness

1 sense of indefatigableness

Sense 1
indefatigability, indefatigableness, tirelessness -- (tireless determination)
       => determination, purpose -- (the quality of being determined to do or achieve something; firmness of purpose; "his determination showed in his every movement"; "he is a man of purpose")