Noah Webster's Dictionary (a.) Of or pertaining to murder; characterized by, or causing, murder or bloodshed; having the purpose or quality of murder; bloody; sanguinary; as, the murderous king; murderous rapine; murderous intent; a murderous assault.

Multi-Version Concordance Murderous (2 Occurrences) Acts 9:1 But Saul, still breathing threats and slaughter against the disciples of the Lord, went to the high priest, (See NIV) Jeremiah 9:8 Their tongue is a murderous arrow; it speaketh deceit. A man speaketh peaceably to his neighbour with his mouth, but in his heart he layeth his ambush. (DBY)