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Webster 1828 Edition

adv.

Without tiring or sinking under fatigue.

unweariedly ‎(comparative more unweariedly, superlative most unweariedly)

In an unwearied manner; not weariedly; without being weary.
- 1843, Thomas Carlyle, Past and Present, book 2, ch. X, Government
  He arranges everywhere, struggles unweariedly to arrange, and place on some intelligible footing, the ‘affairs and dues, res ac redditus,’ of his dominion.