Definition

1. Adjective:

   • Lacking good sense or judgment; foolish: Describes a person, action, or idea that shows a lack of intelligence, seriousness, or wisdom.
   • Dazed or stunned: Describes a state of being stunned or confused, often as if from a blow.
   • Trivial or frivolous: Describes something that is not serious or important.

2. Noun:

   • A silly person: Used, often affectionately or in reprimand, to refer to someone, especially a child, who is behaving foolishly.

Usage Examples

• Adjective:
  • That was a silly mistake to make. (Describing a foolish action.)
  • The impact knocked him silly. (Describing a dazed state.)
  • We had a silly argument about nothing. (Describing a trivial matter.)
• Noun:
  • Stop crying, you little silly! (Addressing a child behaving foolishly.)

Advanced Usage

• "To knock/bang someone silly": To hit or strike someone so that they become dazed or stunned.
  • The boxer was knocked silly by the punch.
• "The silly season": (Chiefly British) A period, typically in summer when Parliament is not sitting, characterized by a lack of important news and the publication of trivial or frivolous stories in the media.
  • The newspaper was full of celebrity gossip—it must be the silly season.

Variants and Related Words

• Silliness (noun): The quality or state of being silly.
  • We laughed at the sheer silliness of the situation.
• Sillily (adverb): In a silly manner. (Less common)
  • He grinned sillily at his own joke.

Synonyms

• Foolish: Lacking good sense or judgment.
• Ridiculous: Deserving or inviting mockery; absurd.
• Absurd: Wildly unreasonable, illogical, or inappropriate.
• Goofy: Foolish or harmlessly eccentric.
• Inane: Lacking sense or meaning; silly.

Antonyms

• Sensible: Chosen in accordance with wisdom or prudence; practical.
• Serious: Demanding careful consideration or application.
• Sensible: Having or showing good sense or judgment.
• Rational: Based on or in accordance with reason or logic.

Related Phrases and Idioms

• "Silly billy": A playful, affectionate, or mildly reprimanding term for someone, especially a child, acting foolishly.
  • Oh, you silly billy, you've put your shoes on the wrong feet!
• "Silly as a wheel": (Archaic/idiomatic) An old expression meaning very foolish.

Adjective

1. dazed from or as if from repeated blows
   • knocked silly by the impact
   • slaphappy with exhaustion
2. inspiring scornful pity
   • how silly an ardent and unsuccessful wooer can be especially if he is getting on in years- Dashiell Hammett
3. lacking seriousness; given to frivolity
   • a dizzy blonde
   • light-headed teenagers
   • silly giggles
4. ludicrous, foolish
   • gave me a cockamamie reason for not going
   • wore a goofy hat
   • a silly idea
   • some wacky plan for selling more books

Noun

1. a word used for misbehaving children
   • don't be a silly