Answer:

inane

AnswerCrossword Clue
INANEDitsy
INANEEmpty-headed
INANEPointless
INANESenseless
INANESilly
INANEFoolish
INANEGoofy
INANENonsensical
INANERidiculous
INANEMeaningless
INANEMindless
INANEEmpty-minded
INANEHarebrained
INANECockamamy
INANEFatuous
INANEEmpty, void.
INANEVapid
INANEDopey
INANEToo dumb to consider
INANELamebrained
INANENot exactly bright
INANEVacuous
INANELacking good sense
INANELacking sense
INANEWithout significance
INANEFrivolous
INANEBirdbrained
INANEImbecilic
INANEPuerile
INANELike spitting into the wind
INANEWitless
INANEAbsurd
INANEDaffy
INANEDuncelike
INANELacking any point
INANELike poppycock
INANECockamamie
INANEMore than just a little silly
INANEBeyond foolish
INANEWithout substance