Directly questioning something's silliness:
* "Isn't that a silly idea?" (Implies you think it's silly)
* "Do you think that's silly?" (Open-ended, seeking the other person's opinion)
* "Why is it silly to wear mismatched socks?" (Challenging a perceived notion of silliness)
Using "silly" to express playful curiosity:
* "Silly question, but how many stars are there in the sky?" (Adding humor to a factual inquiry)
* "What's the silliest thing you've ever done?" (Inviting playful sharing)
* "Do you think it's silly to sing in the shower?" (Asking about a common behavior)
Using "silly" to express disbelief or amusement:
* "Are you being silly, or are you serious?" (Questioning someone's intentions)
* "Did you really do that? How silly!" (Expressing amusement)
* "Isn't it silly how much we laugh at this?" (Reflecting on the absurdity of a situation)
Remember: The tone of your voice and the context of the conversation will greatly impact how your question is perceived.