Unprosperously is valid Scrabble Word

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

Definitions for UNPROSPEROUSLY in dictionary:

Words related to UNPROSPEROUSLY

unprosperous16
Find what other words can be done using letters: "unprosperously"
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