silly -- (a word used for misbehaving children; "don't be a silly")
Overview of adj silly
The adj silly has 4 senses
cockamamie, cockamamy, goofy, sappy, silly, wacky, whacky, zany -- (ludicrous, foolish; "gave me a cockamamie reason for not going"; "wore a goofy hat"; "a silly idea"; "some wacky plan for selling more books")
pathetic, ridiculous, silly -- (inspiring scornful pity; "how silly an ardent and unsuccessful wooer can be especially if he is getting on in years"- Dashiell Hammett)
punch-drunk, silly, slaphappy -- (dazed from or as if from repeated blows; "knocked silly by the impact"; "slaphappy with exhaustion")