INDEFATIGABLE
/ˌɪndɪfəˈtiɡəbəl/
20
Scrabble
24
WWF
I(1) N(1) D(2) E(1) F(4) A(1) T(1) I(1) G(2) A(1) B(3) L(1) E(1)
NWL/TWL ✓ Collins ✓ WWF ✓