D defs.my
Entry 1 sense Webster, 1913

Indefatigably

· In·de·fat·i·ga·bly · IPA /ˌɪndəˈfætəɡəbli/
01 adv. Without weariness; without yielding to fatigue; persistently.
  1. 1.
    Without weariness; without yielding to fatigue; persistently.