Which refers to things or animals. That refers to a person, place or thing. Adjectives Adjectives are words that modify nouns and pronouns. Adjectives describe or limit the meaning of the words they modify. Adjectives are best used to express concepts that nouns alone cannot convey.
Descriptive adjectives describe the noun they modify.
These are adjectives like large, small, happy, sad, clean, exhausted, etc. Limiting adjectives limit the meaning of the words they modify. An adverb modifies a verb, an adjective or an adverb. A word that modifies a verb, an adjective or an adverb is called a simple adverb . It was a very good essay.