Thumbiest is valid Scrabble Word

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

9 letters word
16 points in Scrabble
18 points in WWF

Definitions for THUMBIEST in dictionary:

ADJECTIVE:

THUMBY, like thumbs, clumsy

Words related to THUMBIEST

thumby16

Similar words containing THUMB without suffix iest

thumb12 thumbs13 thumby16 bethumb16 thumbed15 bethumbs17 thumbier15 thumbing16 thumbkin19 thumbnut15 thumbpot17 bethumbed19 thumbhole19 thumbkins20 thumbless16 thumblike20 thumbling17 thumbnail16 thumbnuts16 thumbpots18 thumbtack22 bethumbing20 thumbholes20 thumbikins21 thumblings18 thumbnails17 thumbpiece21 thumbprint19 thumbscrew22 thumbstall17 thumbtacks23 thumbwheel23 thumbpieces22 thumbprints20 thumbscrews23 thumbstalls18 thumbtacked25 thumbwheels24 thumbtacking26

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