indefatigability

NOUN
16 LETTERS · 8 SYLLABLES · STARTS WITH I

indefatigability is a valid 16-letter word worth 26 points in Scrabble and 29 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
I1N1D2E1F4A1T1I1G2A1B3I1L1I1T1Y4
1 + 1 + 2 + 1 + 4 + 1 + 1 + 1 + 2 + 1 + 3 + 1 + 1 + 1 + 1 + 4 =26 PTS
DOUBLE WORD → 52TRIPLE WORD → 78
MEANING

What does indefatigability mean?

NOUN · 1 SENSE
1

Tireless determination.