homicidal
adj.describing someone who wants to kill another person. It is often used to talk about a person's mental state or a very dangerous situation.
adj.relating to or involving the killing of another person. Often used in a psychological or forensic context to describe a person's intent or a specific mental state.
“The police are looking for a homicidal man who fled the scene.”
“The psychiatrist evaluated the suspect to determine if he was homicidal or acting in a moment of panic.”
“The novel explores the thin line between homicidal intent and a temporary loss of self-control during a period of extreme emotional distress.”
“Instead, it had only a single homicidal agenda: to kill as many Jews as possible and to destroy the state of Israel.”
From homicide + -al.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.