unambiguousPronunciation: /ʌnamˈbɪgjʊəs/Translate unambiguous | into French | into German | into Italian Definition of unambiguous adjective not open to more than one interpretation:instructions should be unambiguousDerivatives unambiguityPronunciation: /-ˈgjuːɪti/ noun unambiguously adverb unambiguous in other Oxford dictionaries Definition of unambiguous in the US English dictionary