The term 'ODD ONE' can be summarized by two crossword solutions: 'WEIRDO' (6 letters) and 'STRANGEBIRD' (11 letters). Both words refer to someone who is unusual or out of the ordinary. The term 'WEIRDO' is often used to describe someone who is strange or eccentric, while 'strangebird' is a more poetic way of saying the same thing. Both terms imply that the person in question stands out from the crowd in some way.