Sentence:  O masters! if I were dispos'd to stir Your hearts and minds to mutiny and rage, I should do Brutus wrong, and Cassius wrong, Who (you all know) are honorable men. I will not do them wrong; I rather choose To <WSD>wrong</WSD> the dead, to <WSD>wrong</WSD> myself and you, Than I will <WSD>wrong</WSD> such honorable men. 
Meaning of the word marked with <WSD> tags:  To slander; to impute evil to unjustly.