How to Say "Knife" in Spanish

cuchillo

/kuˈt͡ʃiʝo/masculine

The Spanish word for knife is cuchillo.

Cuchillo is a masculine noun used to refer to a utensil or tool designed for cutting.

Meaning: utensil or tool designed for cutting (noun)

Related words

To express the plural form, knives, use cuchillos.

/kuˈtʃiʝo/

The Latin root of cuchillo, 'culter', is also the ancestor of the English word 'culture', as it relates to the way humans 'cut' or 'carve' their civilization.
A Spanish speaker might use the phrase 'tener mucho filo' to describe a cuchillo that is very sharp, but it can also mean someone is very clever.
The Spanish word cuchillo is a linguistic cousin to the English word 'cutlass', the curved sword used by sailors.

Ése no es tu cuchillo.
That is not your knife.
The sentence is useful for identifying ownership of a cuchillo.
Tatoeba #460997 by Shishir, translation #42814 by CC
Mi cuchillo está roto.
My knife is broken.
The sentence is useful for describing the state of a cuchillo.
Tatoeba #594453 by Shishir, translation #428787 by Archibald
El cuchillo está romo.
The knife is dull.
The sentence is useful for describing a dull cuchillo.
Tatoeba #4997976 by cueyayotl, translation #1487659 by marshmallowcat
¿Puede traerme un cuchillo, por favor?
Can you bring me a knife, please?
Corta el pan con cuidado usando un cuchillo afilado.
Cut the bread carefully using a sharp knife.
Pásame ese cuchillo, por favor.
Pass me that knife, please.
¿Alguien tiene un cuchillo para abrir esta caja?
Does anyone have a knife to open this box?
190 more sentences on Tatoeba

Daniel and Elena are preparing a meal in the kitchen.

Sources

Wiktionary, “knife” translations and entries cuchillo, CC BY-SA 4.0, dump of 2026-09-26.
Word origins: Wiktionary entries cuchillo, CC BY-SA 4.0.
Example sentences: Tatoeba CC BY 2.0 FR.

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