Unperturbed(adjective)
Not worried or concerned.
Hindi meaning:बेफिक्र
Synonyms: Unruffled, Placid, Tranquil, Untroubled, Composed
Antonyms: Anxious, Jittery, Skittish, Upset, Bothered, Flustered
Example: She seemed completely unperturbed at the idea of having to sing in a room full of strangers.
Trick to remember: USA per capita income ko lekar Unperturbed hai. 
