Gliddest is valid Scrabble Word

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

Definitions for GLIDDEST in dictionary:

Words related to GLIDDEST

glid6
Find what other words can be done using letters: "gliddest"
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