Sentence:  Such is not the case with Mr. Martin Van Butchell, one of the most <WSD>eccentric</WSD> characters to be found in the British metropolis, and a gentleman of indisputable science and abilities, but whose strange humors and extraordinary habits, have rather tended to obscure than to display the talents he possessed. 
Meaning of the word marked with <WSD> tags:  Deviating from the norm; behaving unexpectedly or differently.