Below are possible answers for the crossword clue Some French duke is failure.
3 letter answer(s) to some french duke is failure
DUD
an event that fails badly or is totally ineffectual; "the first experiment was a real turkey"; "the meeting was a dud as far as new business was concerned"
an explosion that fails to occur
failing to detonate; especially not charged with an active explosive; "he stepped on a dud mine"
someone who is unsuccessful
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