English edit

Etymology edit

indefatigable +‎ -ly, but indefatigable itself was attested later. In use since the 16th century.[1]

Pronunciation edit

Adverb edit

indefatigably (comparative more indefatigably, superlative most indefatigably)

  1. In an extremely persistent and untiring manner; in an indefatigable manner
    • 1932, Aldous Huxley, Brave New World[1], London: Chatto & Windus:
      Silence, silence,’ the trumpet mouths indefatigably repeated at intervals down every corridor.

Translations edit

References edit

  1. ^ Douglas Harper (2001–2024) “indefatigably”, in Online Etymology Dictionary.