Crossword clues for This is silly! 5 lettersAnswerClueSILLYZanySILLYDon't be ___SILLYUnwise.SILLYA bit ludicrousSILLYInaneSILLYPaul McCartney "___ Love Songs"SILLY__ StringSILLYLacking good sense.SILLYOne way to be knockedSILLYKind of puttySILLY____ PuttySILLYMuttonheadedSILLYWord before "Putty" or "String"SILLYCockamamieSILLYBirdbrainedSILLYLacking gravitySILLYFeatherbrainedSILLYWitless.SILLYBilly or gooseSILLYGooseySILLYOff-the-wallSILLYHardly seriousSILLYNot at all seriousSILLYYou ___ goose!SILLYEmpty-headedSILLYLaughableSILLYFoolishSILLYGoofySILLYFatuousSILLYNot remotely seriousSILLYBad way to be knockedSILLYDazedSILLYFrivolousSILLYWeak-mindedSILLYRidiculousSILLYAsinineSILLYAbsurdSILLYCuckooSILLYVacuous.SILLYNonsensicalSILLYToo frivolousSILLYHarebrainedSILLYPreposterousANILESillyPUTTYSilly stuff?INANEPretty sillyGOOSESilly onePUTTYSilly substanceREELSGets knocked sillyINANEBeyond silly