Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why

indefatigable

adjective

[L. indefatigabilis; in and defatigo, fatigo, to fatigue.]

Unwearied; not tired; not exhausted by labor; not yielding to fatigue; as indefatigable exertions; indefatigable attendance or perseverance. Upborne with indefatigable wings.