Undecipherably is valid Scrabble Word

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

Definitions for UNDECIPHERABLY in dictionary:

Similar words containing DECIPHERAB without suffix ly and without prefix un

decipherable22 indecipherable24 indecipherably27 undecipherable24 decipherability28
Find what other words can be done using letters: "undecipherably"
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