Adjectives are words that are used to describe (what kind of?) nouns and pronouns and to quantify (how much of?) and identify (which one?) them. In a nutshell, Adjectives are what define nouns and give them characteristics to differentiate them from other nouns.
He was wearing a blue shirt.
Here ‘blue’ is an adjective as it is describing the noun ‘shirt’ by answering the question ‘what kind of shirt?’
There are different types of adjectives based upon their effect on a noun and what do they tell about the noun. There are five categories of adjectives
1. Adjectives of Quality - These adjectives are used to describe the nature of a noun. They give an idea about the characteristics of the noun by answering the question ‘what kind’.
Honest, Kind, Large, Bulky, Beautiful, Ugly etc.
Sheila is a beautiful woman.
2. Adjectives of Quantity - These adjectives help to show the amount or the approximate amount of the noun or pronoun. These adjectives do not provide exact numbers; rather they tell us the amount of the noun in relative or whole terms.
All, Half, Many, Few, Little, No, Enough, Great etc.
They have finished most of the rice.
3. Adjectives of Number - These adjectives are used to show the number of nouns and their place in an order.
One, Two, Twenty, Thirty-Three etc. also known as Cardinals.
First, Second, Third, Seventh etc. also known as Ordinals.
Some, Many, Few, Any, Several, All etc.
E.g.: There were many people present at the meeting.
.Either, Neither, Each, Another, Other etc.
Taxes have to be paid by every employed citizen.
4. Demonstrative Adjectives - These adjectives are used to point out or indicate a particular noun or pronoun using the adjectives - This, That, These and Those.
That bag belongs to Neil.
Try using this paintbrush in art class.
5. Interrogative Adjectives - These adjectives are used to ask questions about nouns or in relation to nouns, they are - Where, What, Which and Whose.
Where did he say he was going?
What assignment did I miss out on?