malvado
/malˈbado/ · B1 · adj
evil, wicked, mean, bad
😈 mal = bad: from Latin malifatius, ill-fated, so bad by nature
The mal- in malvado is the same bad as in malware and malicious. It comes from Late Latin malifatius, ill-fated, from malus (bad) and fatum (fate). Use it for a villain: el malvado del cuento.