Silly
Silly adjective - Lacking in seriousness or maturity.
Usage example: the matinee show was filled with a bunch of silly children making noise
Nearby Word: silliness
Thoughtful
Thoughtful adjective - Given to or marked by long, quiet thinking.
Usage example: was a quiet and thoughtful child who rarely spoke but when he did, he almost always had something worthwhile to say
Silly is an antonym for thoughtful.
Both words in one sentence
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While usually silly, sometimes they'd have a thoughtful discussion about youth culture concerns (like the Sunset Strip riots or the co-option of hippie rhetoric by mainstream culture).
Source: Series / The Monkees
Cite this Source
Thoughtful and Silly. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/silly/thoughtful
Silly & Thoughtful. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/silly/thoughtful>.
Thoughtful or Silly. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/silly/thoughtful.
Google Ngram Viewer shows how "silly" and "thoughtful" have occurred on timeline