unbroken UK /ʌnˈbɹəʊkn̩/US /ʌnˈbɹoʊkn̩/ adjective3 •Whole, not divided into parts.After the vase had fallen down the flight of stairs we were amazed to find it still unbroken. •Continuous, without interruption.The team's unbroken winning streak was a record. •Of a horse, not tamed.There is something majestic about the spirit of an unbroken mustang as it runs wild across the prairie.