Unapproached is valid Scrabble Word

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

Definitions for UNAPPROACHED in dictionary:

How to use UNAPPROACHED in a sentence

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