That which is perceived as silly or frivolous.(noun)
An act that is silly; a result of being silly.(noun)
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Use "silliness" in a sentence
"And this Pink Army silliness is about Sheehan and not the source of the supposed statement."
"There is a battle and they gain the day, and then modesty, which they call silliness, is ignominiously thrust into exile by them, and temperance, which they nick-name unmanliness, is trampled in the mire and cast forth; they persuade men that moderation and orderly expenditure are vulgarity and meanness, and so, by the help of a rabble of evil appetites, they drive them beyond the border."
"There is a battle and they gain the day, and then modesty, which they call silliness, is ignominiously thrust into exile by them, and temperance, which they nickname unmanliness, is trampled in the mire and cast forth; they persuade men that moderation and orderly expenditure are vulgarity and meanness, and so, by the help of a rabble of evil appetites, they drive them beyond the border."