Indefatigability is valid word

Is indefatigability a scrabble word?
Official Scrabble Players Dictionary NO
Official Tournament and Club Word List NO
Collins Scrabble Words NO
Is indefatigability valid Words with Friends?
Words with Friends NO

Definitions for INDEFATIGABILITY in dictionary:

Similar words containing DEFATIGABIL without suffix ity and without prefix in

indefatigabilit22 indefatigabilities25
Find what other words can be done using letters: "indefatigability"
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