How to Say “No Brain” in Spanish

sin cerebro
/sin θeɾebɾo/from spelling rules
The Spanish phrase for "no brain" is sin cerebro.
This phrase is used to describe someone who lacks intelligence or common sense.

What does it mean word for word?

The phrase is composed of the preposition sin (without) and the noun cerebro (brain).

Is it said differently in some regions?

In Spain, the phrase No tener dos dedos de frente is commonly used.

How does it change in a sentence?

The phrase sin cerebro functions as an adjective or a noun phrase to describe a person.

How do you pronounce it?

/sin θeɾebɾo/

Did you know?

  • In Spanish, you can describe someone as sin luces, which translates to 'without lights', to imply they are not very bright or intelligent.
  • The word cerebro comes from a Proto-Indo-European root that meant 'head', meaning the language originally did not distinguish between the skull and the brain.
  • If you want to sound more old-fashioned or poetic, you might use the word meollos instead of cerebro to refer to the brain.

Examples in context

  • Él carece de inteligencia para tomar decisiones adecuadas
    He lacks intelligence to make appropriate decisions
  • Ella parece no tener capacidad de razonamiento
    She seems to lack reasoning capacity
  • Ese tipo es un sin cerebro.
    That guy is brainless.
  • A veces parece un sin cerebro.
    Sometimes he seems brainless.

Example conversation

Daniel and Elena are discussing a bad decision made by a friend.

  1. Daniel

    No puedo creer que hizo eso.
    I can't believe he did that.
  2. Elena

    Es que es un sin cerebro.
    It's just that he has no brain.
  3. Daniel

    Tienes razón, no tiene sentido común.
    You're right, he has no common sense.
  4. Elena

    Exacto, Daniel, es increíble.
    Exactly, Daniel, it's unbelievable.

Sources

  • IPA marked “from spelling rules” is derived from standard Spanish spelling, where Wiktionary gives none.
  • Word origins: Wiktionary entries cerebro, sin, CC BY-SA 4.0.
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Edward Joshua
Edward JoshuaHelp make this guide better. Spot a mistake, know another way to say it, or have an example from real life? Share it below.
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