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 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,” …

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.

Nov 29, 2025 · Silly is usually taken to imply a less serious degree of foolishness, mental impairment, or hilarity than its synonyms. The sense meaning stupefied is usually restricted to …

Foolish, as an epithet of contempt; characterized by weakness or folly; manifesting want of judgment or common sense; stupid or unwise: as, a silly coxcomb; a silly book; silly conduct.

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

silly definition: lacking in common sense or intelligence. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like "knock silly", "silly …

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