Obstinacy(noun)
The quality or condition of being stubbornness.
Hindi meaning:जिद/हठ
Synonyms: Stubbornness, Inflexibility, Intransigence, Intractability, Intractableness, Obduracy, Rigidity
Antonyms: Irresolution, Laxity
Example: The soldiers in that particular battle were thought of as heroes, but it was really obstinacy that kept them fighting against such impossible odds.
Trick to remember: Jo nahi mante vo Obstinate hote hai. 
