WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adjective.
incapable of being questioned
adjective.
not open to question
adjective.
not counterfeit or copied
Word Usage
"The Muslim prayer reminded me of what old-school Catholicism must have resembled — steeped in unquestionable tradition and inaccessibility, yet beautiful, a bit magical, and surreal."