[{"Bold_text": "adjective", "List Items": ["not easily controlled or directed; not docile or manageable; stubborn; obstinate:an intractable disposition.Synonyms: unyielding , adamant , inflexible , unbending , refractory , fractious , froward , willful , stony , obdurate , dogged , headstrong , perverse Antonyms: flexible , amenable , amiable", "(of things) hard to shape or work with:an intractable metal.Synonyms: unyielding , adamant , inflexible , unbending , refractory , fractious Antonyms: flexible , amenable", "hard to treat, relieve, or cure:the intractable pain in his leg."]}, {"Bold_text": "noun", "List Items": ["an intractable person."]}]