Definite and indefinite articles — how to say the, a, some in Spanish, and when to use (or skip) them entirely.
el, la, los, lasun, una, unos, unasGender · Number · Omission
el lathe · a · someun una
The complete system
All Eight Article Forms at a Glance
Spanish articles agree with the noun they accompany in gender (masculine/feminine) and number (singular/plural). There are two types: definite (specific) and indefinite (non-specific).
Definite Articles — “THE”
elMasc. Sing.the (m.s.)el libro
laFem. Sing.the (f.s.)la mesa
losMasc. Pl.the (m.pl.)los libros
lasFem. Pl.the (f.pl.)las mesas
Indefinite Articles — “A / SOME”
unMasc. Sing.a / an (m.)un libro
unaFem. Sing.a / an (f.)una mesa
unosMasc. Pl.some (m.)unos libros
unasFem. Pl.some (f.)unas mesas
🔑The article agrees with the noun: In Spanish you must match the article to the noun — not the speaker. el estudiante (a female student!) because estudiante is masculine.
📌Contractions!a + el = al (never “a el”) and de + el = del (never “de el”). These are the only two contractions in Spanish: “Voy al parque”, “Vengo del trabajo”.
Artículo determinado
When to use EL / LA / LOS / LAS
Use the definite article when referring to something specific and known — both speaker and listener know which one.
1 — Specific, already mentioned
Something already introduced in the conversation
“Vi una película. La película era buenísima.” — The film was great.
2 — Unique or only one
Only one exists / everyone knows which one
“El sol, la luna, el presidente” — The sun, the moon, the president.
3 — Categories / generalisations
Referring to a whole category of things
“Los gatos son independientes.” — Cats are independent. (all cats)
4 — Body parts & clothing
Instead of possessives with body parts
“Me duele la cabeza.” — My head hurts. (not “mi cabeza”)
5 — Days, time expressions, languages
Days of the week, seasons, languages
“El lunes tengo clase.” / “Hablo el español.” (optional with languages)
6 — Titles & names of people (when talking about them)
Before señor/señora + surname in 3rd person
“El señor García llegó tarde.” — Mr García arrived late.
Artículo indeterminado
When to use UN / UNA / UNOS / UNAS
Use the indefinite article when referring to something non-specific — introduced for the first time, or one of many.
1 — First mention
Introducing something new to the conversation
“Vi una película anoche.” — I watched a film last night. (first mention)
2 — One of many
Not a specific one — any one from a group
“Necesito un bolígrafo.” — I need a pen. (any pen will do)
3 — Approximate quantity (unos/unas)
About / approximately (plural form)
“Hay unas treinta personas.” — There are about thirty people.
4 — Exclamations
In exclamatory sentences about quality
“¡Hace un calor horrible!” — It’s horribly hot!
5 — Description with unknown person
Describing someone the listener doesn’t know
“Vino un chico preguntando por ti.” — A boy came asking for you.
💡The story rule: When you tell a story, use un/una the first time you mention something, then switch to el/la every time after: “Vi un perro… el perro me miró…”
⚠️ Omission — When NOT to use any article
Spanish drops the article in these situations
This is one of the trickiest areas — Spanish often uses no article at all where English would use “a” or even “the.”
🚫 Profession (after ser)
Soy profesora. / Es médico.
I am a teacher. / He is a doctor. (NO “un/una”)
🚫 Nationality / Religion (after ser)
Es española. / Soy católico.
She is Spanish. / I am Catholic. (NO “una”)
🚫 Days of the week (without el)
Hoy es lunes. / Mañana es martes.
Today is Monday. (NO “el lunes” in this context)
🚫 Months and most dates
Nació en enero. / Es septiembre.
Born in January. / It’s September. (NO “el enero”)
🚫 After “¡qué…!” exclamations
¡Qué día tan bonito! / ¡Qué sorpresa!
What a beautiful day! (NO “un día”)
🚫 After verbs like tener, llevar (general)
Tiene coche. / No tengo móvil.
He has a car. (general ownership — NO “un coche”)
🚫 Languages after hablar/aprender
Hablo español. / Aprendo francés.
I speak Spanish. (can omit after these verbs)
🚫 With otro/otra
Dame otro café. / Hay otra opción.
Give me another coffee. (NO “un otro” ever!)
👔BUT add un/una if there’s an adjective! Compare: “Es médico” (He’s a doctor) vs “Es un médico excelente” (He’s an excellent doctor). The adjective makes it specific enough to need the article.
Special case — EL before feminine nouns
el agua, el águila — not “la”!
Feminine nouns that begin with a stressed a- or ha- use el (not la) in the singular — to avoid two “a” sounds clashing. The noun is still feminine!
The rule
Feminine noun+stressed a- / ha-→use EL (singular)
💧
el agua → las aguas
the water → the waters (fem!)
el agua FRÍA (adj stays fem.) ✓
🦅
el águila → las águilas
the eagle → the eagles
🔪
el hacha → las hachas
the axe → the axes
🌅
el alba → las albas
the dawn → the dawns
⚠️Adjectives stay feminine!“El agua fría“ (not frío). “El hacha afilada“. Only the article changes — the noun and adjectives stay feminine.
📌Only stressed initial A!la árabe (Arab woman — unstressed a-), la amiga (friend — unstressed). Only works when the first syllable is stressed: á-gu-la.
Definite vs Indefinite — the contrast
Same noun, different article — different meaning
See how the choice of article completely changes the meaning and context.
Context
Definite (el/la)
Indefinite (un/una)
First vs second mention
el libro (the book — already known)
un libro (a book — new info)
Category vs example
Los perros son fieles. (dogs in general)
Un perro me mordió. (a specific dog)
Specific vs any
Dame el bolígrafo. (that specific one)
Dame un bolígrafo. (any pen)
Profession (simple vs with adj.)
—
Es un buen médico. (+ adjective)
📚
Leí un libro ayer. El libro era fascinante.
I read a book yesterday. The book was fascinating.
un = first mention → el = second mention
🐕
Los perros necesitan ejercicio.
Dogs (all dogs in general) need exercise.
definite article for generalisations!
👩⚕️
Es médica. / Es una médica excelente.
She is a doctor. / She is an excellent doctor.
no article for profession · un/una when adj. added
🌎Most country names need no article, but a few always do: el Reino Unido, los Estados Unidos, la India, el Perú. Most others: España, Francia, México — no article.
All in context
💬 Articles in real Spanish sentences
☕
¿Me pones un café, por favor?
Can you make me a coffee, please? (indefinite — any one)
☕
El café está muy caliente.
The coffee is very hot. (the specific one you made)
📅
Tengo clase los lunes.
I have class on Mondays. (definite — every Monday)
📅
Hoy es lunes.
Today is Monday. (no article after ser + day)
👨🍳
Mi padre es cocinero. Es un cocinero increíble.
My father is a cook. He is an incredible cook.
profession: no article → + adjective: un/una
💧
Tráeme el agua fría, por favor.
Bring me the cold water, please. (el before stressed fem. á-)
🌍
Vivo en España. Me gustan los españoles.
I live in Spain. I like Spanish people. (country: no article; people: los)
🚗
Tiene coche. Tiene un coche rojo.
He has a car (general). He has a red car. (specific description)
✏️ ¡A PRACTICAR! 🔵
Test your knowledge of Spanish articles.
1
Fill in the correct article
– el, la, los, las, un, una, unos, unas — or write “—” if no article is needed.