adjective sil·ly \ˈsi-lē\

: 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

archaic :  helpless, weak
a :  rustic, plain
b obsolete :  lowly in station :  humble
a :  weak in intellect :  foolish
b :  exhibiting or indicative of a lack of common sense or sound judgment <a very silly mistake>
c :  trifling, frivolous
:  being stunned or dazed <scared silly> <knocked me silly>
sil·li·ly \ˈsi-lə-lē\ adverb
sil·li·ness \ˈsi-lē-nəs\ noun
silly noun or adverb

Examples of SILLY

  1. I hope I didn't make any silly mistakes.
  2. The idea does seem a bit silly.
  3. That's the silliest thing I've ever heard.
  4. You drove in this weather? What a silly thing to do!
  5. Silly me. I locked myself out of the car again.
  6. Ask a silly question, and you get a silly answer.
  7. I can't ask you to do that. Don't be silly. It is my pleasure.
  8. What a silly little purse. It looks too small to hold everything that I'd need to carry.
  9. I'm tired of watching silly movies.
  10. The book was a silly waste of time.

Origin of SILLY

Middle English sely, silly happy, innocent, pitiable, feeble, from Old English ̄lig, from ̄l happiness; akin to Old High German sālig happy
First Known Use: 14th century

Synonym Discussion of SILLY

simple, foolish, silly, fatuous, asinine mean actually or apparently deficient in intelligence. simple implies a degree of intelligence inadequate to cope with anything complex or involving mental effort <considered people simple who had trouble with computers>. foolish implies the character of being or seeming unable to use judgment, discretion, or good sense <foolish stunts>. silly suggests failure to act as a rational being especially by ridiculous behavior <the silly antics of revelers>. fatuous implies foolishness, inanity, and disregard of reality <fatuous conspiracy theories>. asinine suggests utter and contemptible failure to use normal rationality or perception <an asinine plot>.
SILLY Defined for Kids


adjective sil·ly \ˈsi-lē\

Definition of SILLY for Kids

:  having or showing a lack of common sense :  foolish <Silly me! I forgot again.> <What a silly mistake!>
:  not serious or important <a silly reason>
:  playful and lighthearted <silly jokes>
sil·li·ness noun


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