She chuckled softly at the clown's antics.
Meaning: This means she found the clown's actions funny and laughed softly.
Choice of Words: Chuckled means to laugh quietly or softly. Antics are funny or silly actions or behavior. When you put them together, "chuckled at the clown's antics" means she laughed quietly at the funny things the clown was doing.
Alternative Expressions
Related Expressions