Simple Definition of silly
: having or showing a lack of thought, understanding, or good judgment : foolish or stupid
: not practical or sensible
: not serious, meaningful, or important
Full Definition of silly
Examples of silly
I hope I didn't make any silly mistakes.
The idea does seem a bit silly.
That's the silliest thing I've ever heard.
You drove in this weather? What a silly thing to do!
Silly me. I locked myself out of the car again.
Ask a silly question, and you get a silly answer.
“I can't ask you to do that.” “Don't be silly. It is my pleasure.”
What a silly little purse. It looks too small to hold everything that I'd need to carry.
I'm tired of watching silly movies.
The book was a silly waste of time.
Origin of silly
Middle English sely, silly happy, innocent, pitiable, feeble, from Old English sǣlig, from sǣl happiness; akin to Old High German sālig happy
First Known Use: 14th century
Synonym Discussion of silly
Seen and Heard
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