Irresistibleness is valid word

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

16 letters word
18 points in Scrabble
21 points in WWF

Definitions for IRRESISTIBLENESS in dictionary:

NOUN:

Quality of being irrestible.
the quality of being overpowering and impossible to resist

ADJECTIVE:

too powerful or convincing to be resisted
too attractive and tempting to be resisted

Words that contain IRRESISTIBLENESS

irresistiblenesses20

Similar words containing RESISTIBLENES without suffix s and without prefix ir

irresistiblenes17 irresistiblenesses20

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