(adv.) In a silly manner; foolishly.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). sillily. Retrieved September 24, 2026, from http://smartdefine.org/sillily/definitions/2062070 |
| Chicago | Webster's. 2011. "sillily" http://smartdefine.org/sillily/definitions/2062070 (accessed September 24, 2026). |
| Harvard | Webster's 2011, sillily, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/sillily/definitions/2062070>. |
| MLA | Webster's. "sillily" 28 May 2011. Web. 24 September 2026. <http://smartdefine.org/sillily/definitions/2062070> |