Entry 1 sense Webster, 1913 Unbroken /ən-brōk'-ən/ · Un·bro·ken · IPA /ʌnˈbɹoʊkn̩/ 01 a. Not broken; continuous; unsubdued; as, an unbroken colt. 1. Not broken; continuous; unsubdued; as, an unbroken colt.