Postprandially is valid Scrabble Word

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

Definitions for POSTPRANDIALLY in dictionary:

Similar words containing PRANDIAL without suffix ly and without prefix post

prandial11 prandially16 preprandial16 anteprandial15 postprandial17
Find what other words can be done using letters: "postprandially"
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