What are Adjectives? Adjectives describe nouns. They can tell what a noun looks, sounds, smells, feels, or tastes like. Adjectives can also describe the personality or feelings of people and animals. Numbers are adjectives because they describe how many of a noun there are. Adjectives do not change for singular, plural, or proper nouns. Adjectives always have the same form. Here is a video to help your students understand adjectives. Parts of Speech for Kids: What is an Adjective? Example Sent