Abstract Noun: Happiness
Explanation:
* Happiness is a feeling or state of mind. You can't physically touch it or see it.
* It's a concept or idea that exists in our thoughts and emotions.
* We can experience happiness, but it's not a tangible thing.
Other Examples of Abstract Nouns:
* Love
* Freedom
* Justice
* Hope
* Fear
* Intelligence
* Beauty
* Time
* Truth
* Knowledge