unlawful

un|law|ful /'ʌnl'ɔːfʊl/
[ADJ]
If something is unlawful, the law does not allow you to do it. (FORMAL)
...employees who believe their dismissal was unlawful...
A pushed-in window indicated unlawful entry.
= illegal
≠ lawful
● unlawfully [ADV] ADV with v
...the councils' assertion that the government acted unlawfully in imposing the restrictions.un|law|ful kill|ing (unlawful killings)
[N-VAR]
Unlawful killing is used to refer to crimes which involve one person killing another. (LEGAL)