Which one to useB1

Neuf vs nouveau

The short answer

Neuf means newly made, never used, fresh from the factory, and goes after the noun: une voiture neuve. Nouveau means new to this situation, whether or not the thing itself is old, and goes before: une nouvelle voiture, which may well be second-hand.

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At a glance

Neuf or Nouveau?

CompareNeufNewly made. After the noun.NouveauNew in this role. Before the noun.
MeaningNever used beforeNew to you, or new in this position
PositionAfter the nounBefore the noun
Feminineneuvenouvelle
Before a vowelNo changenouvel: un nouvel ami
A second-hand carNot neuveune nouvelle voiture: yes
Typical pairingdes chaussures neuvesun nouveau collègue

How to choose

Ask these, in order

  1. 1

    Has the thing itself just been made?

    Neuf, after the noun.

    Il a acheté une voiture neuve.

    He bought a brand-new car.

    NBStraight from the dealer, never driven.

  2. 2

    Is it just new to you, or new in this role?

    Nouveau, before the noun.

    Il a acheté une nouvelle voiture.

    He bought a new car.

    NBNew to him. It could be fifteen years old.

  3. 3

    Is it a person?

    Nouveau. People are never neuf.

    On a un nouveau directeur.

    We have a new director.

  4. 4

    Does the masculine noun start with a vowel?

    Nouvel, not nouveau.

    un nouvel appartement

    a new flat

Side by side

Each one, in full

Neuf

When to use neuf

Newly made. After the noun.

Neuf describes the physical state of an object: unused, unworn, fresh from manufacture. It follows the noun like most French adjectives and agrees normally: neuf, neuve, neufs, neuves.

It applies only to things. A person cannot be neuf, and neither can an abstract idea. Une idée neuve does exist and means a genuinely original idea, which is the figurative extension of the same meaning.

Ces chaussures sont neuves, je ne les ai jamais mises.

Never worn.

L’appartement est à l’état neuf.

The flat is as good as new.

Quoi de neuf ?

What’s new?

NBA fixed everyday phrase, and the most common place you will hear the word.

Nouveau

When to use nouveau

New in this role. Before the noun.

Nouveau describes a change of situation: something has arrived, replaced something else, or entered a new role. It goes before the noun, which puts it in the small group of French adjectives that do.

Its forms are irregular: nouveau, nouvelle, nouveaux, nouvelles, plus nouvel before a masculine noun beginning with a vowel or a mute h. That extra form exists only to avoid two vowels colliding: un nouvel hôtel.

Elle commence son nouveau travail lundi.

New job, the company may be a century old.

Il y a un nouvel élève dans la classe.

Nouvel before a vowel.

C’est la nouvelle version du logiciel.

The latest one, replacing the previous.

Mistakes to avoid

What learners actually get wrong

  • J’ai acheté une neuve voiture.

    J’ai acheté une voiture neuve. / une nouvelle voiture.

    Neuf goes after the noun. Putting it before is a word-order error as well as, usually, a meaning error, most people announcing a purchase mean nouvelle rather than neuve.

  • un nouveau appartement

    un nouvel appartement

    Nouveau becomes nouvel before a masculine noun starting with a vowel or a mute h. Beau and vieux do exactly the same, which is why the three are best learned together.

  • un collègue neuf

    un nouveau collègue

    People cannot be neuf, since they are not manufactured. Un collègue neuf is comic rather than merely wrong, which is why it is worth flagging.

  • Elle a acheté un appartement nouveau.

    Elle a acheté un nouvel appartement.

    Nouveau goes before the noun. After it, the word would have to be neuf, un appartement neuf, meaning one nobody has lived in yet. Position and meaning move together in this pair, so a misplaced nouveau is never just a word-order slip.

Now use it

Accord des adjectifs

Match the adjective to its noun in gender and number. Reading a rule and being able to apply it are different skills, and only one of them shows up when you speak.

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Questions

Asked and answered

Does English make this distinction?
Only with extra words. Brand new corresponds to neuf and just plain new to nouveau, but English uses one adjective and lets context sort it out. That is why French speakers find the English sentence ambiguous and English speakers find the French choice unnecessary.
Are there other adjectives that change meaning by position?
About a dozen, and they follow the same logic: before the noun is figurative, after it is literal. Un ancien collègue is a former one, un bâtiment ancien an old building; ma propre chambre is my own room, ma chambre propre my clean one.
What about récent?
Récent means recent in time and follows the noun: un événement récent. It says when something happened, where neuf says how used it is and nouveau says what has changed. Three adjectives, three different questions.