To make a mistake, a bad decision or act senselessly and get into an extremely difficult situation.
To be fooled and get into a difficult situation by relying on someone or responding to a scam, trick or prank.
To understand wrongly, taking one thing or person for another.
An error; a blunder.
A pitch which was intended to be pitched in a hard-to-hit location, but instead ends up in an easy-to-hit place.