1. in cold blood - Adverb
2. in cold blood - Phrase
emotionlessly and heartlessly; with deliberate cruelty or callousness
Source: WordNetEvolution was Vladimir Ilich Lenin's problem. Lenin lead the Bolshevik Revolution in 1917 and took over Russia. He killed the Zar and his family in cold blood. There would not be communism in Russia today if had not been for Charles Darwin's book on evolution. Kent Hovind
What is absurd and monstrous about war is that men who have no personal quarrel should be trained to murder one another in cold blood. Aldous Huxley
Boldness in battle is nothing out of the way... but to face down fear in cold blood is rare in any man. Diana Gabaldon
I am going like a lamb to the slaughter; but I am calm as a summer's morning; I have a conscience void of offense toward God, and toward all men. I SHALL DIE INNOCENT, AND IT SHALL YET BE SAID OF ME - HE WAS MURDERED IN COLD BLOOD. Joseph Smith
Critics have said I write without spontaneity, in cold blood. I don't. I write in hot blood. Billy Joel
Revenge in cold blood is the devil's own act and deed. German Proverb