1. the quality or state of being silly; foolish or trivial behavior

Examples

• The children’s silliness made everyone laugh.
• She couldn’t stop giggling at the silliness of the situation.
• His constant silliness during class disrupted the lesson.
• The movie was full of harmless silliness and jokes.
• Sometimes a little silliness is exactly what we need.
• The silliness of the argument became apparent to everyone.