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.

/ ˈsɪl·i / Add to word list showing a lack of thought or judgment; not serious and not showing much intelligence: a silly grin

Silly definition: weak-minded or lacking good sense; stupid or foolish.. See examples of SILLY used in a sentence.

4 days ago · 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 …

Oct 9, 2025 · silly (comparative sillier, superlative silliest) Laughable or amusing through foolishness or a foolish appearance. quotations 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 …

Master the word "SILLY" in English: definitions, translations, synonyms, pronunciations, examples, and grammar insights - all in one complete resource.

Definition of silly adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Find 803 different ways to say SILLY, along with antonyms, related words, and example sentences at Thesaurus.com.

sil•ly (sil′ ē), adj., -li•er, -li•est, n., pl. -lies. stupid or foolish: a silly writer. irrational: a silly idea. dazed: He knocked me silly. [Cricket.](of a fielder or the fielder's playing position) extremely …