The killer acted in cold blood without any remorse.
bloodshed
Frequency:
60
%
The war resulted in cold bloodshed.
calculated
Frequency:
50
%
The murder was a calculated act done in cold blood.
brutal
Frequency:
45
%
The brutal crime was committed in cold blood.
Idiomatic Expressions for in cold blood
Phrase: kill in cold blood
Meaning: to kill someone in a calculated and ruthless manner
Usage: The assassin was hired to kill the target in cold blood.