IRREGULAR ADJECTIVES
These adjectives follow no rules and have to be learnt separately.
MASCULINE FEMININE SINGULAR PLURAL SINGULAR PLURAL blanc blancs blanche blanches doux doux douce douces frais frais fraîche fraîches long longs longue longues sec secs sèche sèches
Some irregular adjectives have a different form for masculine singular before a vowel.
MASCULINE FEMININE SINGULAR PLURAL SINGULAR PLURAL before a
consonantbefore a
vowelbeau bel beaux belle belles fou fol fous folle folles nouveau nouvel nouveaux nouvelle nouvelles vieux vieil vieux vieille vieilles