Dubiousness

du;bi;ous pronunciation: function: adjective etymology: latin dubius, from dubare to vacillate; akin to latin duo two — more at twodate: 1548 1 : giving rise to uncertainty: as a : of doubtful promise or outcome lt;a dubious plangt; b : questionable or suspect as to true nature or quality lt;the practice is of dubious legalitygt; 2 : unsettled in opinion : doubtful lt;i was dubious about the plangt;synonyms see doubtful— du;bi;ous;ly adverb — du;bi;ous;ness noun