0 a person, book, etc. that shows that something generally thought to be true is not, in fact, true, or is different from how it is usually described:
He is known in Civil War circles as a myth-buster - a thorough researcher who takes fresh perspectives on traditional conclusions.
He sees himself as a myth buster, and has long argued that economic events are misunderstood.
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.