Sentence:  Such immunity to offenders offered a safe asylum to the vilest and most <WSD>abandoned</WSD> scoundrels. 
Meaning of the word marked with <WSD> tags:  Having given oneself up to vice; immoral; extremely wicked, or sinning without restraint; irreclaimably wicked. (First attested from 1350 to 1470)<ref name =SOED>(page=2)</ref>