Cavalier(adjective)
Not caring enough about something important or about the feelings of other people.
Hindi meaning:लापरवाह
Synonyms: Offhand, Indifferent, Disdainful, Scornful
Antonyms: Modest, Demure, complaisant
Example: The government takes a cavalier attitude to the problems of prison overcrowding.
Trick to remember: Liars cavalier hote hai unhe fark nai padta 
