The meaning of SILLY is exhibiting or indicative of a lack of common sense or sound judgment. How to use silly in a sentence. Synonym Discussion of Silly.

Understanding the Context

/ ˈsɪl i / Add to word list showing a lack of thought or judgment; not serious and not showing much intelligence: a silly grin Silly describes something that can't be taken seriously. You might not mind telling silly jokes, but you don't want to be told a project you've worked hard at is silly. Silly originally meant “happy,” which gives the sense of children's games or harmless jokes. Adjective silly (comparative sillier, superlative silliest) Laughable or amusing through foolishness or a foolish appearance.

Key Insights

They were laughing at a silly joke. silly grin Having or exhibiting a lack of good judgment or common sense; foolish. See Synonyms at foolish. 2. Lacking seriousness or responsibleness; frivolous: indulged in silly word play; silly pet names for each other.

Final Thoughts

3. Semiconscious; dazed: knocked silly by the impact. Silly definition: Having or exhibiting a lack of good judgment or common sense; foolish. SILLY definition: weak-minded or lacking good sense; stupid or foolish. See examples of silly used in a sentence.