Spiffiest is valid Scrabble Word

Is spiffiest a scrabble word?
Official Scrabble Players Dictionary YES
Official Tournament and Club Word List YES
Collins Scrabble Words YES
Is spiffiest valid Words with Friends?
Words with Friends YES

Definitions for SPIFFIEST in dictionary:

Words related to SPIFFIEST

spiffier16 spiffy17
Find what other words can be done using letters: "spiffiest"
https://scrabble-word.com/finder/spiffiest
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