Other crossword clues for answer "SERIOUS"SERIOUSHardly frivolousNot kiddingHaving significant consequencesGraveConsidering marriage, perhapsSomberIn no mood for kiddingSolemnWeightyNot trifling.Thoroughly in earnest.In earnest.Important.Thoughtful.Earnest.Are you ___?On the levelNo joke!I'm not kiddingFar from funnyConsidering marriageNot to be taken lightlyNot funny at allNot jokingNot playing aroundStony-faced