wrongful russian

• напра́сный

  in vain, idle, wasted, useless

  wrongful, unjust

• напра́слина

  wrongful accusation

• противопра́вный

  unlawful, illegal, illicit, wrongful

Examples

• Меня наказа́ли незаслуженно.I was wrongfully punished.
• Меня наказа́ли несправедливо.I was wrongfully punished.