Silly antonyms

What is the opposite word for Silly?

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Antonyms for Silly. (2016). Retrieved 2026, August 13, from https://thesaurus.plus./antonyms/silly

Antonyms for Silly. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus./antonyms/silly>.

Antonyms for Silly. 2016. Accessed August 13, 2026. https://thesaurus.plus./antonyms/silly.