Sentence:  Swear to me but, thou bold <WSD>wretch</WSD>! said she, swear to me, that Pamela Andrews is really and truly thy lawful wife, without sham, without deceit, without double-meaning; and I know what I have to say! 
Meaning of the word marked with <WSD> tags:  An unpleasant, annoying, worthless, or despicable person.