El, la, un, una: which article goes with which noun
Spanish articles agree with the noun in gender and number: el, la, los, las for "the", and un, una, unos, unas for "a" and "some". Use the definite article for something already known, the indefinite for something new. One trap: feminine nouns starting with a stressed A take el, as in el agua.
Draft copy. Every claim needs a native-speaker check before publishing — the byline is what makes this citable, so it has to be earned.
The eight forms
| Masculine | Feminine | |
|---|---|---|
| the — singular | el perro | la casa |
| the — plural | los perros | las casas |
| a / some — singular | un perro | una casa |
| a / some — plural | unos perros | unas casas |
English has one word for the and drops the plural of a entirely. Spanish has eight forms and no way to avoid choosing, which is why the article is the first place a learner’s gender mistakes become audible.
Definite or indefinite
The distinction is the same one English makes, so trust your instinct.
- Definite — we both know which one. Voy a la tienda (our shop, the usual one). ¿Dónde está el baño?
- Indefinite — new, or one of several. Quiero una cerveza. Hay un restaurante en la esquina.
Two places Spanish differs from English and catches people out:
Spanish uses the definite article where English uses nothing. Generalities take el/la/los/las: Me gusta el café — I like coffee. Los peruanos comen mucho arroz. Dropping it is one of the clearest foreign-sounding errors.
Spanish drops the article where English keeps it. After ser, with an unmodified profession: Soy profesora, not soy una profesora. Add a description and the article returns: Soy una profesora paciente.
The el agua trap
A handful of feminine nouns take el in the singular. They are feminine words that begin with a stressed a- sound, and the swap exists purely because la agua is awkward to say.
- el agua — but las aguas, and el agua fría
- el águila, el aula, el hambre
The noun stays feminine throughout. The adjective proves it: fría, not frío. This is one of the few places where the article lies about the gender, so it is worth knowing that it is a sound rule, not a gender rule.
Quick check
Say each of these with the right article, then check:
casa, problema, edad, pan, mano, clases, arroz, profesión
→ la casa, el problema, la edad, el pan, la mano, las clases, el arroz, la profesión.
If el problema and la mano surprised you, go back one step: Spanish noun gender and plurals.
Next
→ Spanish adjective agreement in four patterns
Topics Nouns and articles
El, la, un, una
Seven questions on the eight article forms, the two places Spanish and English disagree, and the *el agua* trap.
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1How does a teacher say what she does for a living?
Answer
Soy profesora. — After *ser*, an unmodified profession takes no article at all. Add a description and it comes back: *soy una profesora paciente*.
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2Which one means “I like coffee” as a general statement?
Answer
Me gusta el café. — Spanish puts the definite article on generalities where English uses nothing — *los peruanos comen mucho arroz* works the same way. Dropping it is one of the clearest foreign-sounding errors.
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3*El agua* takes *el*, yet you say *el agua fría*. Why?
Answer
*Agua* is feminine throughout — *el* appears only because *la agua* is awkward to say — It is a sound rule, not a gender rule, and the adjective proves it: *fría*, not *frío*. This is one of the few places where the article lies about the gender.
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4The plural of *el águila* is:
Answer
las águilas — The swap to *el* only happens in the singular, where *la* would collide with the stressed *a-*. In the plural the real gender shows: *las águilas*, *las aguas*.
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5*¿Dónde está ___ baño?* — the one in this restaurant.
Answer
el — We both know which one is meant, so it is definite. *¿Dónde hay un baño?* is also correct but asks something else: whether one exists nearby.
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6Which sentence sounds foreign because an article is missing?
Answer
Me gusta café. — *Me gusta el café* is the Spanish. The other three are already right — the first shows the same generalising article doing its job.
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7Add a description to a profession after *ser* and:
Answer
the article comes back — *soy una profesora paciente* — Bare profession, no article; described profession, article. *Soy profesora* but *soy una profesora paciente*.