- 2Significato: stubborncontumacious bullheaded dogged firmdeaf headstrong mulish pertinacious
- 3Significato: insuperabledogged resolute indomitable insurmountable impassable
- 4Significato: indomitabledogged resolute impassable insurmountable insuperable
- 5Significato: tenaciousenduring dogged immovable insistentindefatigable persevering persistent