Meaning of silly
Definition of silly
(adj)
ludicrous, foolish; "wore a goofy hat"; "a silly idea"; "some wacky plan for selling more books"
lacking seriousness; given to frivolity; "a dizzy blonde"; "light-headed teenagers"; "silly giggles"
inspiring scornful pity; "how silly an ardent and unsuccessful wooer can be especially if he is getting on in years"- Dashiell Hammett