indefatigability

English

Etymology

Attested from the 1630s. Derived as a compound of indefatigable +‎ -ity.

Noun

indefatigability (countable and uncountable, plural indefatigabilities)

  1. The state of being indefatigable: tirelessness; persistence; stamina.
    • 1982 April 17, Michael Bronsky, “What Are These Men Really Selling and Whom Are They Trying to Fool”, in Gay Community News, page 6:
      The absurdity of each year's changing fashions attest not so much to the gullibility of the buyers as to the indefatigability of designers to make a quick buck.

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