There are 13 different categories of adjectives in English. Descriptive adjectives modify nouns and pronouns directly. Compound adjectives are formed from multiple words connected by hyphens
Comparative adjectives end in -er or use more/less, superlative in -est or most/least. Comparative compares two things, superlative compares more than two. Both types are formed from positive form adjectives
Adjective customizes and intensifies nouns or pronouns. Usually comes before the modified noun or pronoun. Multiple adjectives can describe a single noun
Ordinal numbers are ordered adjectives like "first" in English. Cardinal numbers indicate quantity like "one" in English. Ordinal numbers decline like first and second declension adjectives
Adjectives modify nouns and provide additional information about them. Both ING and ED forms are formed from verbs. Adjectives can be used for both people and things
Comparative form uses -er, superlative form uses -est. Adjectives ending in -E add -R/-ST. Adjectives ending in C+V+C double the last letter