Informal usage:
* "The happy of the occasion was contagious." This sentence uses "happy" to represent the general feeling of happiness present.
* "They were all smiles and good vibes, pure happy." Here, "happy" is used to describe a state of being happy.
Specific contexts:
* "The pursuit of happiness is a fundamental human right." In this case, "happiness" is a noun referring to the state of being happy.
* "There is a certain kind of happiness that comes with helping others." Here, "happiness" is a noun describing a specific type of happiness.
Important distinction:
While "happy" can be used as a noun in these cases, it's important to note that it's not a common or formal usage. In most situations, "happiness" is the preferred noun form for describing the feeling or state of being happy.