French Adjectives Ending in X or S

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French adjectives ending in X or S

Adjectives ending in X or S stay the same in masculine plural forms. The feminine plural forms of these adjectives are regular . All you need to do is add S to the feminine singular form of the adjective. 

The following example uses an adjective that falls into the BAGS category, so it is placed before the noun that it describes. 

GROS – BIG

Masculine singular

👉 gros

👉 C’est un gros chien.

Masculine plural

👉 gros

👉 Ce sont de gros chiens.

Feminine singular

👉 grosse

👉 C’est une grosse voiture.

Feminine plural

👉 grosses

👉 Ce sont de grosses voitures.

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Note that when the adjective comes BEFORE the noun, DES must change to DE.  This is an exception in the French language.

Other common adverbs ending in S or X:

DELICIOUS – DÉLICIEUX

Masculine singular

👉 délicieux

Masculine plural

👉 délicieux

Feminine singular

👉 délicieuse

Feminine plural

👉 délicieuses

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HAPPY – HEUREUX

Masculine singular

👉 heureux

Masculine plural

👉 heureux

Feminine singular

👉 heureuse

Feminine plural

👉 heureuses

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FALSE / WRONG – FAUX

Masculine singular

👉 faux

Masculine plural

👉 faux

Feminine singular

👉 fausse

Feminine plural

👉 fausses

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https://atomic-temporary-158445458.wpcomstaging.com/2021/01/25/irregular-french-adjectives-beau-nouveau-vieux-fou-mou/

Placement of French Adjectives – BAGS Adjectives

French Partitive Articles and 4 Ways to Use DE

French Descriptive Adjectives