Answer: silliest

AnswerCrossword Clue
SILLIESTMost ridiculous
SILLIESTMost inane
SILLIESTMost ridiculous.
SILLIESTMost foolish.
SILLIESTMost absurd.
SILLIESTMost slaphappy
silliestfoolish
silliestSILLY, showing a lack of common sense
silliestridiculous