Words For Silly Behavior

noun a silly or foolish person

• The teacher reprimanded the student for acting like a goofball during class.
• My little brother is such a goofball, always making silly jokes.
• Don't pay attention to him, he's just a goofy goofball.
• She's a total goofball when it comes to trying new things.

adverb in a silly or foolish manner

• He goofily tripped over his own feet while trying to impress his boss.
• She goofily danced around the room with a big smile on her face.
• The comedian goofily told jokes that had everyone in stitches.
• The child's imagination ran goofily wild as he played with his toys.