Cualquier and cualquiera are the Spanish for "any" in the open, indefinite, "no matter which" sense — any book will do, anyone can help you. The complication is that Spanish splits this single English word into two forms depending on where it sits in the sentence: the apocopated cualquier before a noun, and the full form cualquiera as a standalone pronoun or in post-nominal position. There is also a near-extinct plural (cualesquiera), a dismissive post-nominal use, and a noun usage that means "a nobody." This page covers all of them, with a clear rule for which form to use when.
The two forms
| Form | Position | Function | Example |
|---|---|---|---|
| cualquier | directly before a singular noun | determiner (apocopated) | cualquier día |
| cualquiera | standalone, or after the noun | pronoun, or post-nominal adjective | cualquiera puede / una persona cualquiera |
| cualesquiera | before a plural noun (rare) | plural determiner | cualesquiera situaciones (formal/literary) |
The apocope (dropping of the final -a) is not about gender — cualquier is the form before both masculine and feminine singular nouns. This is the single most useful fact to remember about cualquiera: gender does not affect the form.
Puedes venir cualquier día de la semana.
You can come any day of the week. (masculine)
Cualquier persona puede entrar gratis los domingos.
Anyone (lit. any person) can enter free on Sundays. (feminine — still 'cualquier', not 'cualquiera')
Cualquier idea es bienvenida.
Any idea is welcome.
Cualquier libro suyo merece la pena.
Any book of his is worth reading.
Cualquier directly before a noun
This is the most frequent use. The pattern is cualquier + singular noun — no article, no other determiner, just cualquier hugging the noun directly.
Llámame a cualquier hora, no me molestas.
Call me at any time — you're not bothering me.
En cualquier momento puede llegar mi madre.
My mother could arrive at any moment.
Cualquier estudiante de Madrid sabe dónde está esa cafetería.
Any student in Madrid knows where that café is.
Note how clean the construction is — no agreement, no article, no preposition needed between cualquier and the noun.
Frozen phrases with cualquier
A handful of high-frequency expressions use cualquier and are worth memorising as units.
| Phrase | Meaning |
|---|---|
| cualquier cosa | anything (very common, slightly informal) |
| cualquier otra cosa | anything else |
| cualquier persona | anyone (lit. any person) |
| a cualquier hora | at any time |
| en cualquier momento | at any moment |
| en cualquier sitio / cualquier lado / cualquier parte | anywhere |
| de cualquier manera / de cualquier forma | any way / anyhow / in any case |
Si necesitas cualquier cosa, dímelo.
If you need anything, let me know.
Lo encontrarás en cualquier librería del centro.
You'll find it in any bookshop downtown.
Cualquiera as a standalone pronoun
When there is no noun to attach to — when cualquiera is itself the subject or object — you use the full form, cualquiera.
Cualquiera puede aprender español si le pone ganas.
Anyone can learn Spanish if they put effort in.
Eso lo sabe cualquiera.
Anyone knows that.
—¿Quién va a contestar? —Cualquiera de nosotros.
—Who's going to answer? —Any of us.
No es tarea para cualquiera.
It's not a job for just anyone.
The most common trap: producing ❌cualquiera libro with the full form before a noun. The apocope (cualquier libro) is mandatory before a noun.
Cualquiera in post-nominal position: the dismissive flavour
There is a striking semantic shift when cualquiera appears after the noun, with an article or indefinite. The phrase un + noun + cualquiera acquires a dismissive or pejorative tone — "just any old [noun]," "a random [noun] of no particular value."
No quiero comprar un coche cualquiera, quiero uno bueno.
I don't want to buy just any old car, I want a good one.
No es un libro cualquiera, ganó el Premio Nacional.
It's not just any book — it won the National Prize.
Una persona cualquiera no podría haberlo hecho.
Just any old person couldn't have done it. (it took someone special)
No le digas eso, no es un hombre cualquiera; es el director.
Don't talk to him like that — he's not just some random man, he's the director.
The difference is structural and meaningful: pre-nominal cualquier is open and inclusive ("any of them, all welcome"), while post-nominal cualquiera is dismissive and exclusionary ("just any old one, nothing special"). Mixing them up doesn't just produce a grammar error — it flips the message.
Un cualquiera: the noun
Take the dismissive post-nominal use one step further and you reach the noun un cualquiera / una cualquiera, used for a person of no importance, no status, no class. This is unambiguously pejorative and often offensive, particularly in the feminine form, where una cualquiera historically meant (and to many ears still means) a woman of loose morals.
No te juntes con ese chico, es un cualquiera.
Don't hang around with that boy — he's a nobody. (dismissive)
No la trates como si fuera una cualquiera.
Don't treat her like she's a nobody. (with strong overtones; historically insulting)
You should recognise this usage in books, films, and conversations, but think hard before producing it. Una cualquiera in particular is the kind of word that, in the wrong context, ends a conversation badly.
The plural cualesquiera
Standard Spanish does have a plural form, cualesquiera, but in modern usage it is rare and confined to formal, legal, or literary registers. Most Spanish speakers, even educated ones, go their whole lives without producing it.
Sean cualesquiera las circunstancias, mantén la calma.
Whatever the circumstances may be, stay calm. (formal/literary)
El reglamento se aplicará a cualesquiera personas que entren en el recinto.
The regulation will apply to any persons who enter the premises. (legal/administrative)
In everyday Spanish, the singular cualquier / cualquiera is used even where the meaning is logically plural. Native speakers will simply say cualquier persona even when generalising over many people.
Cualquier persona puede solicitarlo.
Anyone can apply for it. (singular, even though it applies to all people)
A common misspelling: ❌cualesquieras. The correct plural is cualesquiera — the -s of the plural is internal (cuales- not cualquieres-), not at the end. Adding a final -s is a clear error.
❌ Cualesquieras circunstancias.
Wrong — the plural is 'cualesquiera', not 'cualesquieras'.
✅ Cualesquiera circunstancias.
Any circumstances. (formal — but most speakers would use the singular 'cualquier circunstancia')
If you're not writing a legal document, you can safely never use the plural form. The singular cualquier covers the territory.
Cualquiera que + subjunctive
A very useful construction: cualquiera que + present subjunctive = "whoever / whichever (one)." This is the same family as quienquiera que, dondequiera que, comoquiera que — all generalising constructions that take the subjunctive.
Cualquiera que sepa la respuesta puede levantar la mano.
Whoever knows the answer can raise their hand.
Cualquiera que haya estudiado un poco lo sabe.
Anyone who has studied a bit knows that.
Llamará cualquiera que tenga interés en el puesto.
Whoever is interested in the position will call.
The subjunctive is mandatory here because we are talking about a hypothetical, generalised set — not a specific known person. Compare:
El chico que sabe la respuesta puede levantar la mano.
The boy who knows the answer (a specific known boy) can raise his hand. (indicative — specific referent)
Cualquiera que sepa la respuesta puede levantar la mano.
Anyone who knows the answer (whoever they may be) can raise their hand. (subjunctive — open set)
This pattern extends to other -quiera forms:
- quienquiera que sea = whoever it may be
- dondequiera que vayas = wherever you go
- comoquiera que lo hagas = however you do it
- cuandoquiera que vengas = whenever you come
All formal or literary. In speech, peninsular Spaniards use looser equivalents: sea quien sea, vayas donde vayas, como sea, cuando sea.
Vayas donde vayas, te llamaré.
Wherever you go, I'll call you. (everyday spoken version)
Sea quien sea, no abras la puerta.
Whoever it is, don't open the door.
Cualquier before adjectives and nouns
When an adjective comes between cualquier and the noun, the apocope still applies — cualquier (not cualquiera) stays.
Cualquier buena idea es bienvenida.
Any good idea is welcome.
En cualquier pequeño detalle se nota su estilo.
His style shows in any small detail.
This is unusual; in practice, cualquier almost always appears directly before the noun, with the adjective coming after.
Register and formality
| Form | Register |
|---|---|
| cualquier + noun | neutral, all registers |
| cualquiera as pronoun | neutral, all registers |
| noun + cualquiera (dismissive) | colloquial; carries judgement |
| un cualquiera / una cualquiera (noun) | pejorative; the feminine is often offensive |
| cualesquiera (plural) | formal, legal, literary; rare in speech |
| cualquiera que + subjunctive | formal/written; in speech use looser X-quiera que X patterns |
Common Mistakes
❌ Cualquiera libro es bueno para leer.
Wrong — before a noun, the apocopated 'cualquier' is mandatory.
✅ Cualquier libro es bueno para leer.
Any book is good for reading.
❌ Cualquiera mujer sabe cocinar.
Wrong — 'cualquier' before any singular noun, masculine OR feminine. Also note: this sentence carries a sexist generalisation; the example here is purely grammatical.
✅ Cualquier mujer sabe cocinar (si quiere aprender).
Any woman knows how to cook (if she wants to learn).
❌ Cualesquieras circunstancias me harán cambiar de opinión.
Wrong — the plural is 'cualesquiera' (no final -s). And in everyday Spanish you'd use the singular: 'cualquier circunstancia'.
✅ Cualquier circunstancia me hará cambiar de opinión.
Any circumstance will make me change my mind.
❌ Es una mujer cualquier.
Wrong — post-nominal use requires the full form 'cualquiera'. Also: as a noun, 'una cualquiera' is pejorative/offensive — be sure you mean it.
✅ Es una mujer cualquiera.
She's just any old woman / She's nothing special. (dismissive — use carefully)
❌ Cualquiera que sabe la respuesta puede contestar.
Wrong — 'cualquiera que' triggers the subjunctive.
✅ Cualquiera que sepa la respuesta puede contestar.
Whoever knows the answer can answer.
Key takeaways
cualquier(apocopated) goes directly before a singular noun, masculine or feminine. No agreement, no article.cualquiera(full form) is used as a standalone pronoun or in post-nominal position.- Post-nominal
un + noun + cualquierais dismissive ("just any old [noun]") — flipped from the open pre-nominal meaning. un cualquiera / una cualquieraas a noun means "a nobody"; the feminine form is often offensive.- The plural
cualesquieraexists but is rare and formal. In everyday Spanish use the singular even for plural meaning. Never ❌cualesquieras. cualquiera que- subjunctive = "whoever / whichever"; the subjunctive is mandatory because the referent is hypothetical.
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