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English definition of “silly”


adjective    /ˈsɪl·i/
showing a lack of thought or judgment ; not serious and not showing much intelligence : a silly grin I watched another silly movie last night . silliness    /ˈsɪl·i·nəs/ noun [U] It’s time to stop the silliness and get serious .
(Definition of silly adjective from the Cambridge Academic Content Dictionary © Cambridge University Press)
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