indefatigably

adv

adv

US /ˌɪndəˈfætəɡəbli/

Etymology From indefatigable + -ly, but indefatigable itself was attested later. In use since the 16th century.

In an extremely persistent and untiring manner; in an indefatigable manner

Silence, silence,’ the trumpet mouths indefatigably repeated at intervals down every corridor.1932, Aldous Huxley, Brave New World, London: Chatto & Windus:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.