Adverb
Without weariness; without yielding to fatigue; persistently.
Source: Webster's dictionaryPersons with comparatively moderate powers will accomplish much, if they apply themselves wholly and indefatigably to one thing at a time. Samuel Smiles
It is impossible to give a clear account of the world, but art can teach us to reproduce it just as the world reproduces itself in the course of its eternal gyrations. The primordial sea indefatigably repeats the same words and casts up the same astonished beings on the same sea-shore. Albert Camus
she watched the show indefatigably Source: Internet
Comments like his, as well as rapper Kanye West's saying President George Bush doesn't like blacks, is such an insult to all the volunteers who work so indefatigably lifting, holding, swimming in filth toward those who can't make it to safety alone. Source: Internet
Underwriting an urgent and indefatigably brutal accumulation of power, the S8 Plus’ bulging and effortlessly flexible mid-range gives way to a maximum 597BHP developed at a 6100-6800rpm top end. Source: Internet