scoundrelly

/ˈskaʊndrəli/
adjective
  1. Having the qualities of a scoundrel; dishonest, immoral, or villainous.
    • She refused to take part in their scoundrelly scheme to cheat the company.
    • The politician's scoundrelly tactics disgusted the voters.
    • His scoundrelly behavior finally caught up with him when he was arrested.
Antonyms