Ultrafiltered is valid Scrabble Word

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

Definitions for ULTRAFILTERED in dictionary:

Words related to ULTRAFILTERED

ultrafilter14

Similar words containing ULTRAFILTER without suffix ed

ultrafilter14 ultrafilters15 ultrafiltering18
Find what other words can be done using letters: "ultrafiltered"
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