Unusably is valid Scrabble Word

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

Definitions for UNUSABLY in dictionary:

Words related to UNUSABLY

unusable10

Similar words containing USAB without suffix ly and without prefix un

usable8 usably11 abusable12 amusable12 causable12 reusable10 rousable10 unusable10 accusable15 accusably18 arousable11 excusable20 excusably23 focusable16 nonusable11 perusable13 refusable14 reusables11 usability14 confusable17 unamusable14 usableness12 causability18 confusables18 inexcusable22 inexcusably25 irrecusable15 irrecusably18 nonreusable13 reusability16 unaccusable17 unaccusably20 usabilities13 transfusable17 usablenesses14 nonreusables14 causabilities17 confusability23 excusableness24 reusabilities15 inexcusability28 confusabilities22 excusablenesses26 inexcusableness26 inexcusablenesses28
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