The boy was in obdurate because of his perseccusions"hepls.
The word "obdurate" is an adjective.
Durbach is an obdurate character with a good touch into the front court.
adamant, adamantine, brassbound, die-hard, grim, implacable, incompliant, inexorable, inflexible, intransigent, iron, obdurate, relentless, remorseless, rigid, unbendable, unbending, uncompliant, uncompromising, unrelenting, unyielding
"Industries are often reluctant to modernize, and obdurate about their right to use natural resources." "The most obdurate foes of the Clean Water Act were the fertilizer companies."
Despite numerous attempts to reason with him, John remained obdurate in his refusal to change his mind.
yielding
He was so obdurate, that no amount of persuasion could make him step back from the ledge.
The Igbo meaning for the word "Obdurate" of the African origin is adịghị erube isi.
The Obdurate Father - 1909 was released on: USA: 14 August 1909
I try to explain my ideas and feelings to my brother, but there is no use, for he is very obdurate to change
Obdurate means stubborn; hardened against (moral) influence; persistently impenitent [from Latin obduratus, hardened]The very custom of evil makes the heart obdurate against whatsoever instructions to the contrary. -- Hooker