Fisto (34):
I like pointing out when the common/accepted definitions (be it folk or formal philosophy) lead to errors in thinking.
I can see where words having multiple definitions can lead to miscommunication and misunderstanding, but unless someone is using an incorrect (not commonly accepted) definition of a word (and even that is more a problem of communication than thinking) the only case I can think of where the definitions of words lead to errors in thinking is the problem of equivocation - using more than one definition of a word simultaneously or interchangeably within the same argument.