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Just like articles, French adjectives also have to match the nouns that they modify in gender and plurality.

Regular formation[edit | edit source]

Spelling[edit | edit source]

Most adjective changes occur in the following manner:

  • Feminine: add an -e to the masculine form
    • un garçon intéressant --> une fille intéressante
    • un ami amusant --> une amie amusante
    • un camion lent --> une voiture lente
  • Plural: add an -s to the singular form
    • un garçon intéressant --> des garçons intéressants
    • une fille intéressante --> des filles intéressantes

Pronunciation[edit | edit source]

Generally, the final consonant is pronounced only when it comes before an -e. Most adjectives, such as those above, are affected by this rule.

  • Masculine Pronunciation: intéressan, amusan, len
  • Feminine Pronunciation: intéressant, amusant, lent

Irregular formation[edit | edit source]

Irregular plural formation[edit | edit source]

M Sing. --> M. Pl. Masc. Singular --> Masc. Plural Notes
No change -s -s un plafond bas
un gros porc
des plafonds bas
des gros porcs
-x -x un homme généreux
un garçon furieux
des hommes généreux
des garçons furieux
Add x -eau -eaux un nouveau jeu des nouveaux jeux
-al -aux un vent hivernal des vents hivernaux Exceptions: fatal (fatals),
final (finals) & naval (navals)

Irregular feminine formation[edit | edit source]

Masc. --> Fem. Masculine --> Feminine Notes
No change -e -e égoïste, populaire, sociable, timide,
énergique, dynamique, sympathique
* When the masc. form ends in an -e, there is no change.
* The final consonant is pronounced on the masc. form.
-el -elle cruel cruelle When an adjective has one of these endings, the ending of
the feminine form is doubled. There is no change of
pronunciation when changing from -el to -elle.
-il is pronounced "ee" (as in keen), while -ille is similar, with a final yuh (pronounced like "ee" in keen with a "yuh" on the end: IPA /ij/).
-on is pronounced oh(n) and -onne is pronounced ohn.
-en is pronounced a(n) and -enne is pronounced ehn.
-os is pronounced oh and -osse is pronounced ohs.
-as is pronounced ah and -asse is pronounced ahs.
-il -ille gentil gentille
-on -onne bon
-en -enne ancien
-os -osse gros grosse
-as -asse bas basse
-c -che blanc
-eur -euse accrocheur
-eux -euse furieux
-eux is pronounced ew (like dew) and -euse is pronounced ews.
-g -gue long
-if -ive sportif
-er -ère étranger
-er is pronounced ay and -ère is pronounced ehr, though exceptions such as "cher" exist in which both forms are pronounced with ehr.
-et -ète inquiet
-et is pronounced ay and -ète is pronounced eht.
-ou / -ol -olle fou, fol
mou, mol
-ol forms occur before a vowel or mute h.

Special rules[edit | edit source]

Adjectives that precede nouns[edit | edit source]

List[edit | edit source]

Adjectives that are used frequently before nouns. These are:

  • affreux (affreuse)
  • autre
  • beau (belle)
  • bon(ne) +
  • court(e) +
  • dernier (dernière) +
  • gentil (gentille)
  • grand(e) +
  • gros(se) +
  • haut(e)
  • jeune +
  • joli(e)
  • large
  • long(ue)
  • mauvais(e)
  • méchant(e) +
  • meilleur(e)
  • nouveau (nouvelle)
  • pauvre
  • petit(e)
  • vieux (vieille)
  • vilain(e)

+ sometimes placed after a noun, and may change in meaning

When these adjectives appear before an indefinite plural noun, they will change the article associated with it:[1]

  • des garçons courageux / de beaux garçons

Changes in meaning[edit | edit source]

When "grand" goes before a noun, it means "great". However, when it goes after the noun, it means "tall".

Likewise, when "pauvre" goes before a noun, it means "unfortunate". When it comes after the noun, it means financially "poor".

This rule works most of the time, but be careful, "pauvre" can mean "financially poor" even when used before the nouns.

Beau, nouveau, and vieux[edit | edit source]

These three adjectives behave differently when placed before a singular masculine noun starting with a vowel or silent h:

Masc. Sing. Cons. Masc. Sing Vowel Masc. Plural Fem. Sing. (all) Fem. Plural
Beau un beau garçon un bel individu de beaux garçons une belle fillette de belles fillettes
Nouveau un nouveau camion un nouvel ordre de nouveaux ordres une nouvelle idée de nouvelles idées
Vieux un vieux camion un vieil ordre de vieux camions une vieille idée de vieilles idées

Possessive adjectives[edit | edit source]

A possessive adjective tells us who owns/possesses something. So, you might say, "my house", "their family" or "his dogs". The same is done in French. However unlike English, in French we use different possessive adjectives dependent not only the person who owns the object (my car vs your car etc.) but also dependent on the gender and number. E.g. If I only have one dog, I would say, "mon chien" but if I have lots of dogs, I would say, "mes chiens".

Furthermore in English, we say "her car" when the owner of the car is a woman and "his car" when the owner is a man. In French, they say "sa voiture" even if the owner is a male. It is not the owner who determines the gender of the possessive adjective but the object owned. The following possessive adjectives are in the order of: masculine object, feminine object, plural (several of the object).

First person singular - mon, ma, mes
Second person singular (informal) - ton, ta, tes
Third person singular - son, sa, ses

First person plural - notre, notre, nos
Second person plural (and polite form) - votre, votre, vos
Third person plural - leur, leur, leurs

Note: Exception. When a feminine noun starts with a vowel or silent 'h', you should utilize "Mon" instead of "Ma". Example:

Mon ami = ok 
Ma amie = error! 
Mon amie = ok.

Demonstrative adjectives[edit | edit source]

Demonstrative adjectives identifies a specific object relative to the speaker. In English, demonstrative adjectives are words like, "this" and "these".

There are four adjectives that demonstrate a specific object in French:

  • Ce garçon (masculine) - this/that boy
  • Cet ami (masculine before vowel or silent h) - this/that friend
  • Cette fille (feminine) - this/that girl
  • Ces enfants (plural) - these/those children

References[edit | edit source]

  1. Price, Glanville (2008), A Comprehensive French Grammar (6 ed.), Blackwell, p. 35, ISBN 978-1-4051-5385-0