French Adjectives: Agreement, Position, and Real Usage

French adjectives agree with the noun they describe in gender and number, and they usually come after that noun. For example, un livre intéressant /œ̃ livʁ ɛ̃.te.ʁɛ.sɑ̃/ means “an interesting book,” while une histoire intéressante /yn‿is.twaʁ ɛ̃.te.ʁɛ.sɑ̃t/ means “an interesting story.” Learn the agreement patterns first, then the major placement rules, and French adjectives become far more predictable.

French is spoken by an estimated 321 million people across five continents, according to the Organisation internationale de la Francophonie. That wide reach means you will hear regional differences in vocabulary and accent, but adjective agreement is stable across standard French, whether you are watching a Parisian drama or listening to a Québecois interview.

If you already know basic greetings such as those in our guide to saying hello in French, adjectives are the next tool that lets you describe people, places, food, and opinions with much more precision.

The core rule: match the noun

A French adjective must usually match the noun's grammatical gender and number. French has masculine and feminine nouns, and each can be singular or plural.

The written endings often change even when pronunciation does not. In the masculine plural intéressants /ɛ̃.te.ʁɛ.sɑ̃/, the final s is silent. In the feminine forms, the final t is pronounced: intéressante /ɛ̃.te.ʁɛ.sɑ̃t/.

This is why listening matters as much as spelling. Movie dialogue gives you repeated examples of adjective endings in natural contexts, especially when a speaker describes someone with a phrase such as elle est intelligente /ɛl ɛ.t‿ɛ̃.te.li.ʒɑ̃t/, “she is intelligent.”

How to form feminine adjectives

The most common feminine rule is simple: add -e to the masculine form.

The extra final letter often makes a consonant audible. Compare un petit chat /œ̃ pə.ti ʃa/, “a small cat,” with une petite chatte /yn pə.tit ʃat/, “a small female cat.” The adjective changes in writing and sound.

Adjectives already ending in -e

If a masculine adjective already ends in -e, the feminine is often identical.

You still need to recognize the gender of the noun, even when the adjective does not visibly change. Un acteur calme /œ̃n‿ak.tœʁ kalm/ and une actrice calme /yn ak.tʁis kalm/ use the same adjective form.

Common feminine spelling patterns

Some endings follow regular transformations. Memorize these as patterns rather than as isolated exceptions.

The pair bon /bɔ̃/ and bonne /bɔn/ is especially useful. You will hear it in un bon film /œ̃ bɔ̃ film/, “a good film,” and une bonne idée /yn bɔn i.de/, “a good idea.”

Irregular feminine forms

A few high-frequency adjectives have forms worth learning early.

The Académie française dictionary records these forms as standard vocabulary, but learners benefit most from meeting them in meaningful phrases: une belle journée /yn bɛl ʒuʁ.ne/, “a beautiful day,” or une vieille maison /yn vjɛj mɛ.zɔ̃/, “an old house.”

How to form plural adjectives

For most adjectives, add -s for masculine plural and -es for feminine plural.

The plural ending is generally silent. French readers see a grammatical distinction that listeners may only detect through articles, nouns, or liaison.

For instance, les grands hôtels /le ɡʁɑ̃.z‿o.tɛl/ contains liaison between grands /ɡʁɑ̃/ and hôtels /o.tɛl/. The written s becomes /z/ before a following vowel sound.

Plural endings that change

Several adjective endings have distinct plural patterns.

Not every adjective ending in -al becomes -aux. For example, banal /ba.nal/ can form banals /ba.nal/ in the regular plural, while fatal /fa.tal/ becomes fatals /fa.tal/. These less common patterns are best learned through exposure and a reliable dictionary such as the CNRTL.

Where French adjectives go

Most French adjectives come after the noun. This is the default position, especially for adjectives of color, shape, nationality, religion, taste, and many detailed descriptions.

The grammar described by Maurice Grevisse and André Goosse in Le Bon Usage treats post-noun placement as the ordinary pattern for descriptive classification. When the adjective identifies a quality or category, it usually follows the noun.

This is one reason literal word-for-word translation from English creates errors. English speakers may try to say une rouge voiture /yn ʁuʒ vwa.tyʁ/, but standard French requires une voiture rouge /yn vwa.tyʁ ʁuʒ/.

The common adjectives that go before the noun

A small but essential group of common adjectives usually comes before the noun. Learners often remember them with the informal BAGS label: beauty, age, goodness, and size.

Examples include un grand problème /œ̃ ɡʁɑ̃ pʁɔ.blɛm/, “a big problem,” une petite ville /yn pə.tit vil/, “a small town,” and un bon ami /œ̃ bɔ̃n‿a.mi/, “a good friend.”

French speakers do not consciously sort these into BAGS categories. The label is simply a learner memory aid. Martin Riegel, Jean-Christophe Pellat, and René Rioul explain adjective placement through syntax, meaning, frequency, and established usage in Grammaire méthodique du français. Frequent short adjectives are especially likely to appear before the noun.

Beau

Beau /bo/ changes form before certain masculine nouns:

The form bel /bɛl/ exists for pronunciation. French avoids the awkward vowel sequence that would result from beau hôtel /bo o.tɛl/. The same idea applies to nouvel /nu.vɛl/ in un nouvel ami /œ̃ nu.vɛl a.mi/, “a new friend.”

When position changes the meaning

Some adjectives change meaning depending on whether they appear before or after the noun. This is not a minor detail: it can completely alter what you are saying.

The contrast between un grand homme /œ̃ ɡʁɑ̃t‿ɔm/ and un homme grand /œ̃n‿ɔm ɡʁɑ̃/ is the classic example. Before the noun, grand /ɡʁɑ̃/ is figurative, meaning influential or admirable. After the noun, it describes physical height.

Adjectives after être

When an adjective follows être /ɛtʁ/, “to be,” it still agrees with the subject. Its position is fixed because it is part of the sentence predicate, not directly inside the noun phrase.

In speech, all four forms of fatigué /fa.ti.ɡe/ sound the same. Writing reveals the agreement: fatigué, fatiguée, fatigués, and fatiguées.

This pattern appears constantly in personal descriptions. To go beyond basic phrases such as je suis content /ʒə sɥi kɔ̃.tɑ̃/, “I am happy,” combine it with vocabulary from our French emotions guide.

Colors and compound adjectives

Color adjectives generally come after the noun and agree normally.

However, many color words borrowed from nouns do not agree: des chemises orange /de ʃə.miz ɔ.ʁɑ̃ʒ/, “orange shirts,” and des robes marron /de ʁɔb ma.ʁɔ̃/, “brown dresses.”

Compound color expressions also tend to remain unchanged. Say des yeux bleu clair /de.z‿jø blø klɛʁ/, “light blue eyes,” rather than adding plural endings to both words.

A practical way to master French adjectives

Start by learning each new adjective in four forms: masculine singular, feminine singular, masculine plural, and feminine plural. For heureux /ø.ʁø/, write heureux /ø.ʁø/, heureuse /ø.ʁøz/, heureux /ø.ʁø/, and heureuses /ø.ʁøz/.

Then learn the adjective inside a phrase, not on its own. Instead of memorizing only petit /pə.ti/, keep un petit café /œ̃ pə.ti ka.fe/, “a small café,” and une petite pause /yn pə.tit poz/, “a short break.”

Finally, listen for adjective placement in scenes you already understand. Repeated clips make patterns such as une belle histoire /yn bɛl is.twaʁ/, “a beautiful story,” easier to retain than a rule learned in isolation. Once you can describe a person warmly, continue with French ways to say I love you, then practice choosing adjectives that fit the relationship and the setting.

French adjectives are not random. Agreement follows visible patterns, post-noun placement is the reliable default, and the most common exceptions appear again and again in real conversations. Learn the patterns through phrases you can hear, and your French will become both more accurate and more expressive.