adjective

silly

foolish, absurd, trivial

That was a silly thing to do.

That was a silly thing to do.

Don't ask silly questions.

Don't ask silly questions.

((a)) silly ((noun)) a foolish (noun) That was a silly mistake.

((to be)) silly to behave in a foolish way Don't be silly, of course I'll help you.

Synonyms: foolish, absurd, ridiculous; Antonyms: sensible, wise, serious

From Middle English 'sely' (happy, blessed), which evolved to mean innocent, then weak, then foolish.

Think of 'Silly String', the toy. It's used for fun, foolish pranks, which captures the essence of 'silly'.

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