Crossword clues for Isn't serious 5 lettersAnswerClueJESTSIsn't seriousJOKESIsn't seriousFARCEIt isn't meant to be taken seriouslyKIDSIsn't seriousPRETENDSIsn't seriousKIDDEROne who isn't seriousPLAYSATIsn't serious aboutJOKESAROUNDIsn't seriousHUMEMUSTBEJOKINGThat philosopher isn't serious!