- 2Significado: indomitableinvincible unassailable impregnable unyielding unconquerable
- 3Significado: unconquerableinvincible indomitable impregnable unyielding unassailable
- 4Significado: obstinatewillful hard-headed headstrong unyieldingintractable bull-headed self-willed pigheaded
- 5Significado: rigidunyielding inelastic inflexible stiff unbending
- 6Significado: grimimplacable stern uncompromising unrelentingunyielding harsh merciless
- 7Significado: cruelcallous unnatural cold-blooded unmercifulunyielding uncharitable hardhearted heartless
- 8Significado: steadfastresolute untiring unfailing unflagging tireless persistentfirm constant persevering unyielding reliable unfaltering
- 9Significado: severeharsh rigid hard strict inflexible unyieldingstern stiff stringent austere rigorous
- 10Significado: stiffrigid unbending fixed unyielding
- 11Significado: resolutedetermined firm inflexible stanchadamant uncompromising relentless unyielding
- 12Significado: stubbornheadstrong obstinate willful bullheadedintractable stiff perverse unyielding
- 13Significado: propertyinflexible firm rigid solidunbending unyielding stiff
- 14Significado: behaviourstubborn obstinate resolved unrelentingunyielding firm pertinacious stiff
- 15Significado: characteristichardened rigid inflexible unyielding uncompromisinghard-line incorrigible troublesome tough
- 16Significado: toughuncompromising unyielding hard-line inflexible
- 17Significado: hardfirm inflexible stiffunbending unyielding rigid
- 18Significado: intractableunreasonable obstinate recalcitrant headstrongrefractory unyielding impracticable
- 19Significado: conservativeunyielding dogmatic puritanical traditionalconventional straight orthodox
- 20Significado: mercilessimplacable stern uncompromising unrelentingunyielding harsh grim