It describes a person or thing as foolish or lacking in common sense.
For example:
* "That was a silly joke."
* "He's acting silly."
You might be thinking of the word "silliness," which is a noun that refers to the quality of being silly.
It describes a person or thing as foolish or lacking in common sense.
For example:
* "That was a silly joke."
* "He's acting silly."
You might be thinking of the word "silliness," which is a noun that refers to the quality of being silly.