Bueno or bien? “Good” or “well”
Good things, things done well, and the English that leads you astray
Both come out as “good” in English. Bueno describes a thing or a person, and changes to match it: bueno, buena, buenos, buenas. Bien describes how something is done, or says with estar that someone or something is fine, and it never changes.
The quick test: does the word describe a thing, or how something is done?
bueno
A thing or a person
- Changes: bueno, buena, buenos, buenas
- buen before a masculine singular noun
La película es buena.The film is good.
bien
How it is done, or fine
- Never changes
- estar bien: to be fine
Ella canta muy bien.She sings very well.
On this page
What is the quick test for bueno or bien?
| bueno | bien | |
|---|---|---|
| The job | Describes a thing or a person. | Says how something is done, or that it is fine. |
| Changes? | Yes: bueno, buena, buenos, buenas. | Never. |
| Example | La película es buena.The film is good. | Ella canta muy bien.She sings very well. |
When careful English would say “well”, it is bien. And when English says “good” but means fine, as in “I am good, thanks”, Spanish uses bien too: Estoy bien, gracias.
When do you use bueno?
- To describe a thing or a person, matching it: Este libro es bueno. This book is good. Son buenas ideas. They are good ideas.
- For “good for” someone or something, with ser bueno para: El ejercicio es bueno para la salud. Exercise is good for your health. Las verduras son buenas para los niños. Vegetables are good for children.
When do you use bien?
- For how an action is done. Hablas bien el español. You speak Spanish well. El reloj funciona bien. The clock works well.
- With estar, to say someone or something is fine. Estoy bien, gracias. I am fine, thank you. ¿Estás bien? Are you all right? Todo está bien. Everything is fine.
- Before a word that says something was done. El trabajo está bien hecho. The work is well done. ¡Bien dicho! Well said!
When does bueno become buen?
Before a masculine singular noun, bueno drops its -o: Es un buen libro, it is a good book. Tuvimos un buen viaje, we had a good trip. The weather takes it too: Hace buen tiempo, the weather is good.
Only there. Una buena idea, a good idea, and unos buenos amigos, some good friends, keep the full form, and there is no “un buen idea”. After the noun it is bueno again: Es un libro bueno, it is a good book.
Watch the feminine nouns that take el or un because they start with a stressed a, such as el agua or el hambre: they are still feminine, so it is buena, never buen (the Real Academia’s notes on agua and hambre).
The greetings are fixed, and use the full form: Buenos días, good morning; Buenas tardes, good afternoon; Buenas noches, good evening, or good night. You will also meet buen día, good morning.
Is it “está bueno” or “está bien”?
Both exist, and they mean different things.
| With bueno | With bien |
|---|---|
| La sopa está buena.The soup is tasty. | La sopa está bien.The soup is fine. |
With food or drink, está bueno says it tastes good. It can also say a thing is still in good condition: Este vestido todavía está bueno, this dress is still in good condition. Está bien says it is fine: El hotel está bien, nada especial, the hotel is fine, nothing special.
Careful with people. Está bueno about a person is informal and can mean attractive. It can also mean healthy again after an illness: ya estoy buena, I am well now. To ask or say that someone is all right, use está bien.
Is there a checklist for bueno or bien?
Look at the words around the one you are choosing, in this order.
- Before a word that says something was done: bien. La carta está bien escrita. The letter is well written.
- Between un or una and a noun, in a greeting, or after hace for the weather: bueno, or buen. Es una buena idea. It is a good idea.
- Es, son, soy or eres just before it: bueno. Muy may come between: La película es buena, the film is good. When a describing word, or tarde, comes straight after it, it is bien, meaning “really”: Es bien tarde, it is really late.
- A form of estar just before it: bien. Todo está bien. Everything is fine. Food that tastes good, or a thing still in good condition, is the exception: La cena está buena, the dinner is tasty.
- Anything else: the quick test. A thing or a person is bueno: Tenemos buenas noticias, we have good news. An action is done bien, and so is feeling well: Me siento bien, I feel well.
One more you will hear everywhere: on its own, Bueno... means “well...” or “OK”, and in Mexico people answer the phone with ¿Bueno?, hello?
How nemiria teaches this
Bueno vs Bien is a pair in nemiria’s Word Pairs topic. Learn sets out each rule with short examples, Test asks you to choose or type the right word, and Apply puts the pair in real sentences: you name the rule, spot the mistake, then write the sentence in Spanish. Foundation covers things, actions and being fine; Intermediate adds buen, the greetings, bien hecho and the está bueno or está bien choice.
How to practise the choice
Say “good” or “well” in your head first. If careful English would say “well”, it is almost always bien.
Treat “I’m good” as a false friend. When English uses “good” to mean fine, Spanish uses bien: Estoy bien, gracias.
Read next
Bueno vs Bien is in nemiria’s Word Pairs topic at Foundation and Intermediate, and the Foundation level is free. Get it on the App Store.