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in cold blood

ɪn koʊld blʌd

Body Parts
formal
intermediate
Literally:
With blood that is cold in temperature

What does "in cold blood" mean?

  1. Deliberately and without emotion or mercy
  2. Premeditated and ruthless

Examples

  • The murder was committed in cold blood.
  • He betrayed his partner in cold blood.
  • The decision was made in cold blood, without any sentiment.

Origin

From the ancient belief that blood temperature affected temperament. Cold blood meant deliberate, calculated action, unlike 'hot-blooded' passion.

How to use it

Usually describes violent or cruel acts. Emphasizes premeditation and lack of emotion.

Similar expressions

deliberately
ruthlessly
calculatingly
premeditatedly

Opposites

in the heat of passion
impulsively
emotionally

Related idioms

  • keep an eye on

    To watch or monitor something carefully

  • heart of gold

    A very kind, generous, and caring nature

  • caught red-handed

    Caught in the act of doing something wrong

  • keep your chin up

    To stay positive and not be discouraged

  • wrap your head around something

    To understand something complex

  • all ears

    Listening attentively and eagerly

Use it in a practice answer

Try "in cold blood" in a CELPIP-style Speaking or Writing task. The AI feedback tells you whether your word choice worked.

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