'Indubitable' definitions:

Definition of 'indubitable'

From: WordNet
adjective
Too obvious to be doubted [syn: beyond doubt(p), indubitable]

Definition of 'Indubitable'

From: GCIDE
  • Indubitable \In*du"bi*ta*ble\, 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; as, an indubitable conclusion. -- n. That which is indubitable.
  • Syn: Unquestionable; evident; incontrovertible; incontestable; undeniable; irrefragable. [1913 Webster]