Slubbier is valid Scrabble Word

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

Definitions for SLUBBIER in dictionary:

Words related to SLUBBIER

slub6 slubby13

Similar words containing SLUBBI without suffix er

slubbing13 slubbiest13 slubbings14
Find what other words can be done using letters: "slubbier"
https://scrabble-word.com/finder/slubbier
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