Crumpiest is valid Scrabble Word

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

Definitions for CRUMPIEST in dictionary:

Words related to CRUMPIEST

crumpy15
Find what other words can be done using letters: "crumpiest"
https://scrabble-word.com/finder/crumpiest
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