A qualitative adjective is a word that shows the qualities of nouns.
- Mt. Everest is the highest peak in the Himalayas.
- Today, we shall have a pleasant weather.
- Giant creatures lived on the earth millions of years ago.
- The intelligent crow dropped pebbles into the pitcher.
- Polite people win hearts.
In the above examples, highest, pleasant, Giant, intelligent, and Polite are the words telling the qualities of the nouns following them.