Unprescribed is valid Scrabble Word

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

Definitions for UNPRESCRIBED in dictionary:

Similar words containing PRESCRIB without suffix ed and without prefix un

prescribe15 prescribed17 prescriber16 prescribes16 prescribers17 prescribing18 prescribings19 overprescribe22 overprescribed24 overprescribes23 overprescribing25
Find what other words can be done using letters: "unprescribed"
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