Trepidatiously is valid Scrabble Word

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

Definitions for TREPIDATIOUSLY in dictionary:

Similar words containing TREPIDATIOUS without suffix ly

trepidatious15
Find what other words can be done using letters: "trepidatiously"
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