Incurable(adjective)
(of a person or behaviour) unable to be changed.
Hindi meaning:अटल; कट्टर
Synonyms: Inveterate, Entrenched, Irredeemable, Stubborn
Antonyms: Adaptable, Alterable, Convertible, Changeable
Example: The girl is an incurable optimist.
Trick to remember: Jiska koi cure na ho = incurable optimist/pessimist/romantic 
