% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for silliness.

AnswerClue
SILLIESFools
SILLYLaughable
SILLINESSInanity
SILLYOne way to be knocked
SILLYEmpty-headed
SILLY____ Putty
SILLYFatuous
SILLINESSEndearing quality of puns
SILLYWitless.
SILLYGoosey
SILLYOff-the-wall
SILLYHardly serious
SILLYZany
SILLYYou ___ goose!
SILLYNonsensical
SILLYFoolish
SILLYFrivolous
SILLY__ String
SILLYFeatherbrained
SILLYCuckoo
SILLYUnwise.
SILLYHarebrained
SILLIESGoofballs
SILLYDon't be ___
SILLYPaul McCartney "___ Love Songs"
SILLYCockamamie
SILLYKind of putty
SILLYA bit ludicrous
SILLYNot at all serious
SILLYWord before "Putty" or "String"
SILLYDazed
SILLINESSRidiculous acts
SILLYNot remotely serious
SILLYWeak-minded
SILLYBad way to be knocked
SILLYBirdbrained
SILLYLacking gravity
SILLIESShake My _____ Out (children's song by Raffi)
SILLYRidiculous
SILLYAsinine
SILLYToo frivolous
SILLYAbsurd
SILLIESFoolish people.
SILLYLacking good sense.
SILLYVacuous.
SILLYBilly or goose
SILLIESFruit loops
SILLYPreposterous
SILLINESSTypical Three Stooges comedy
SILLYMuttonheaded