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Definition of silliness noun from the Oxford Advanced Learner's Dictionary

silliness

noun
 
/ˈsɪlinəs/
 
/ˈsɪlinəs/
[uncountable]
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  1. behaviour that shows a lack of thought, understanding or judgement synonym foolishness
    • Stop this silliness and get back to work!
  2. the fact of being stupid or embarrassing, especially in a way that is more typical of a child than an adult synonym ridiculousness
    • Children love the sheer silliness of his poems.
trait
noun
 
 
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