avere un diavolo per capello

/aˈveːre un ˈdjaːvolo per kaˈpɛllo/idiom
to be furious

Quando gli hanno detto che il progetto era stato cancellato, aveva un diavolo per capello!

When they told him the project had been canceled, he was furious!


What It Really Means
to be extremely angry or furious
Literal Meaning
to have a devil for a hair
Literal Breakdown
avereto have+un diavoloa devil+per capellofor hair
Mental Image
A mental picture of a person's hair standing on end as if being pulled by an invisible devil, symbolizing uncontrollable rage.
When to Use
Imagine a coworker who has been repeatedly let down by a colleague. After the third broken promise, they might 'avere un diavolo per capello' and confront them angrily.
Cultural Note
The phrase reflects medieval Italian beliefs about anger being a supernatural force that could physically affect a person. Similar idioms exist in other Romance languages, such as Spanish 'estar hasta los pelos' (to be fed up to the hairs).
informal

to be extremely angry or irritated

Dopo l'ennesimo ritardo, Marco aveva un diavolo per capello.

After yet another delay, Marco was furious.

Non appena ha saputo dell'inganno, gli è venuto un diavolo per capello.

As soon as he learned of the deception, he was beside himself with rage.

Often used to describe someone who is so angry their hair seems to stand on end, as if a devil were pulling it.

Related Phrases

avere un diavolo in corpoidiom
to be possessed by rage or a demonic force

Pro Tip

When to use

Use 'avere un diavolo per capello' when someone is so angry their behavior becomes visibly intense, almost violent. Avoid using it for mild irritation.

Word Origin

The phrase dates back to medieval Italian folklore, where it was believed that extreme anger could make one's hair stand on end as if a devil were pulling it. The imagery of a 'devil in one's hair' symbolizes uncontrollable rage.

Usage Notes

This idiom is used in both spoken and written Italian, typically in informal contexts. It emphasizes the intensity of anger rather than mere annoyance.

Dizionario Italiano-Inglese