a. [ L. dubitabilis. Cf. Doubtable. ] Liable to be doubted; uncertain. [ R. ] Dr. H. More. --
a. [ L. indubitabilis: cf. F. indubitable. See In- not, and Dubitable. ] Not dubitable or doubtful; too evident to admit of doubt; unquestionable; evident; apparently certain;
n. The state or quality of being indubitable. [ 1913 Webster ]
a. Indubitable;