IPA: /ˈskɜːr.vɪ.li/
KK: /ˈskɜrvɪli/
In a way that is contemptible or despicable; behaving in a low or mean manner.
He treated his friends scurvily, showing no respect for their feelings.
Scurvily is derived from the adjective "scurvy" (from Middle English *scurvie*, meaning diseased or scabby) combined with the adverbial suffix "-ly" (meaning in a manner of). The word "scurvily" describes something done in a scurvy or contemptible manner.
Think of the word 'scurvy' which refers to a disease that makes one feel unwell or contemptible, and remember that 'scurvily' means doing something in a contemptible way.