indomitable
🇺🇸
/ɪnˈdɑːmɪtəbl/
🇬🇧
/ɪnˈdɒmɪtəbl/
not easily defeated or discouraged; very determined
Despite the challenges, she showed an indomitable spirit and never gave up.
挑戦にも関わらず、彼女は不屈の精神を示し、決して諦めなかった。