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 Putty is a toy containing silicone polymers that has unusual physical properties. It can flow like a liquid, bounce and can be stretched or broken depending on the amount of physical …

/ 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,” …

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

Jan 4, 2026 · 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 …

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 …

Definition of silly. English dictionary and integrated thesaurus for learners, writers, teachers, and students with advanced, intermediate, and beginner levels.

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

Dec 31, 2025 · The 'Avengers: Doomsday' teaser shows a serious Thor after Chris Hemsworth criticized the superhero for becoming 'too silly' in the MCU.