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.

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

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,” …

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

If you say that someone or something is silly, you mean that they are foolish, childish, or ridiculous. My best friend tells me that I am silly to be upset about this. You silly boy; why did …

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

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 …

Collins Concise English Dictionary © HarperCollins Publishers:: silly /ˈsɪlɪ/ adj ( -lier, -liest) lacking in good sense; absurd frivolous, trivial, or superficial dazed, as from a blow n (modifier) (of a …

SILLY meaning: 1 : having or showing a lack of thought, understanding, or good judgment foolish or stupid; 2 : not practical or sensible

Oct 31, 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