Briskiest is valid Scrabble Word

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

Definitions for BRISKIEST in dictionary:

Words related to BRISKIEST

brisky15
Find what other words can be done using letters: "briskiest"
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