unreasonably obstinate; obstinately unmoving

a stubborn child.

fixed or set in purpose or opinion; resolute

a stubborn opponent of foreign aid.

obstinately maintained, as a course of action

a stubborn resistance.

difficult to manage or suppress

a stubborn horse; a stubborn pain.

hard, tough, or stiff, as stone or wood; difficult to shape or work.

adjective

broad-minded , complacent , compliant , giving , willing , yielding

adjective

adamant , balky , bullheaded , cantankerous , contumacious , cussed , determined , dogged , firm , fixed , hardheaded , headstrong , inexorable , inflexible , insubordinate , intractable , mulish , obdurate , opinionated , ornery * , persevering , persistent , pertinacious , perverse , pigheaded * , rebellious , recalcitrant , refractory , relentless , rigid , self-willed , set in one’s ways , single-minded , steadfast , stiff-necked * , tenacious , tough , unbending , unmanageable , unreasonable , unshakable , untoward , willful , adamantine , brassbound , die-hard , grim , implacable , incompliant , intransigent , iron , remorseless , unbendable , uncompliant , uncompromising , unrelenting , unyielding , obstinate , absonant , contemptuous , contrary , contumelious , defiant , diehard , difficult , disdainful , disobedient , fractious , impersuadable , indocile , indomitable , indurate , inveterate , irreconcilable , monolithic , ornery , pigheaded , preemptory , renitent , resistant , resolute , restive , rough , rugged , stiff-necked , sturdy