I₁N₁D₂E₁F₄A₁T₁I₁G₂A₁B₃L₁E₁

20 points

INDEFATIGABLE is validvalid

persisting tirelessly [adj] : INDEFATIGABLY [adv]

181,223 of 196,601 in NWL2023·also valid in CSW24

incapable of being fatigued [adj INDEFATIGABLY]

119,095 of 280,887 in CSW24·also valid in NWL2023