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Synonyms

silliness

American  
[sil-ee-nis] / ˈsɪl i nɪs /

noun

  1. the quality of lacking good sense; foolishness.

    The author pokes fun at herself and the general silliness of celebrity culture.

    Her blog cuts through the contradictions, misinformation, and downright silliness out there about naturopathy.

  2. absurdity, ridiculousness, or irrationality.

    This “no-touch” policy occasionally devolves into silliness, as when a teacher hesitates to help a five-year-old zip up a jacket.

  3. clownish, whimsical, or exaggerated humor and playfulness; unrestrained high spirits.

    Our sessions included a lot of chatter, laughter, and silliness—exactly what sitting around a table playing games with friends is all about.


Etymology

Origin of silliness

silly ( def. ) + -ness ( def. )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Despite the silliness, many scientists appreciate the Ig Nobels.

From Barron's • Mar. 10, 2026

It was one of the few moments in her otherwise excellent performance when subtlety gives way to silliness.

From Los Angeles Times • Feb. 26, 2026

To add to the silliness, Carse then arrived as a pinch-hitter at number three after Crawley and Ben Duckett struck 51 in 6.5 overs - England's highest opening partnership of the series.

From BBC • Dec. 27, 2025

In family touch football, there’s no silliness about the receiver needing to keep both feet or one foot in bounds.

From The Wall Street Journal • Nov. 26, 2025

But Grandma warned me not to bother Mother with my silliness.

From "March Forward, Girl" by Melba Pattillo Beals