Etymology
Advertisement

indubitable (adj.)

mid-15c., "too plain to admit of doubt," from Latin indubitabilis "that cannot be doubted," from in- "not, opposite of" (see in- (1)) + dubitabilis "doubtful," from dubitare "hesitate, doubt" (see doubt (v.)).

updated on November 14, 2015

Advertisement
Advertisement
Definitions of indubitable from WordNet

indubitable (adj.)
too obvious to be doubted;
Synonyms: beyond doubt
Etymologies are not definitions. From wordnet.princeton.edu, not affiliated with etymonline.