[{"Bold_text": "adjective", "List Items": ["not flexible; incapable of or resistant to being bent; rigid:an inflexible steel rod.Synonyms: unbendable , stiff", "of a rigid or unyielding temper, purpose, will, etc.; immovable:an inflexible determination.Synonyms: adamant , unbending , obdurate , intractable , obstinate , stubborn , unremitting , unrelenting , stern , rigorous Antonyms: amenable", "not permitting change or variation; unalterable:inflexible rules.Synonyms: undeviating"]}]