furthermore

mastery
UK /ˈfɜː(ɹ).ðə(ɹ)ˌmɔː(ɹ)/ US /ˈfɝ.ðɚˌmoɹ/adv

card 1 of 10 · context meaning

What does 'furthermore' mean in this sentence?

They rob, and furthermore cheat each other.