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Adjectives ending in -et, -ot, -s,- x, -f, and -eur

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An adjective is a word that modifies a noun. There are many types of adjectives: descriptive adjectives, verbal adjectives, demonstrative adjectives, relative adjectives etc...

In this chapter, we will study the descriptive or qualifying adjectives.

Let’s start with the following examples:

J’ai acheté un grand coffre à jouets.
I bought a big toy chest.

“grand” is a descriptive adjective. It modifies or describes the noun “coffre”.
Notice that the adjective in the sentence above preceded the noun.

Elle a des parents très sévères.
She has very strict parents.

“sévères” is a descriptive adjective. It modifies the noun “parents”.
Notice that the adjective in the sentence above followed the noun.

Remember: Unlike in English, adjectives related to nationality, religion and ethnicity in French are not capitalized, i.e. they don't start with a capital letter.

We generally form the feminine of adjectives by adding “e” to the masculine form. However, there are many adjectives that depend on their endings to determine their feminine form. In this lesson, we will study the feminine form of the adjectives ending in: “et, ot, s, x, f and eur”.

Adjectives ending in -et, -ot, -s

Some adjectives ending in “et, ot, s” form their feminine by doubling the final “t” or “s” and adding an ‘e” to the masculine adjective.

For example:

MasculineFeminine
muet muette
gros grosse
épais épaisse
sot sotte
bas basse
vieillot vieillotte
rondelet rondelette
coquet coquette


Exceptions:

The following adjectives ending in “et” form their feminine adjective by adding an “e” at the end of the masculine adjective and an “accent grave” to the “e” that precedes the final “t”.

MasculineFeminine
inquiet inquiète
complet complète
incomplet incomplète
secret secrète
discret discrète
indiscret indiscrète
concret concrète


Adjectives ending in -x

The adjectives ending in “x” form their feminine adjectives by removing the final “x” in the masculine adjectives and replacing it with “se”.

For example:

MasculineFeminine
délicieux délicieuse
jaloux jalouse
pieux pieuse
précieux précieuse
piteux piteuse
affectueux affectueuse
épineux épineuse
onéreux onéreuse
onctueux onctueuse
mystérieux mystérieuse


Exceptions:

MasculineFeminine
doux douce
faux fausse
roux rousse
vieux vieille


Adjectives ending in -f

The adjectives ending in “f” form their feminine adjectives by replacing the final “f” in the masculine adjectives with “ve”:

MasculineFeminine
actif active
relatif relative
pensif pensive
fautif fautive
passif passive
portatif portative
nocif nocive
craintif craintive
définitif définitive
vif vive


Adjectives ending in -eur

The adjectives ending in “eur” form their feminine adjectives by replacing the final “r” with “se”.

For example:

MasculineFeminine
trompeur trompeuse
porteur porteuse
charmeur charmeuse
pollueur pollueuse


Exceptions:

The following adjectives ending in “eur” form their feminine adjectives by adding an “e” at the end of the word.

MasculineFeminine
antérieur antérieure
postérieur postérieure
inférieur inférieure
intérieur intérieure
extérieur extérieure
majeur majeure
meilleur meilleure
ultérieur ultérieure


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