Indisputability is valid Scrabble Word

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

15 letters word
23 points in Scrabble
27 points in WWF

Definitions for INDISPUTABILITY in dictionary:

NOUN:

the quality of being indisputable
Indisputableness.
the quality of being beyond question or dispute or doubt

ADJECTIVE:

unable to be challenged or denied

Similar words containing DISPUTABIL without suffix ity and without prefix in

disputability21 disputabilities20

Find what other words can be done using letters: "indisputability"
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