Chalak/Chaalak (चालाक)
Origin: Persian
Chalak is an Urdu word, it means “clever/expert/cunning/nimble” in English, while in Hindi it’s called as “hoshiyaar/होशियार, visheshagya/विशेषज्ञ, रिवाज, chaalaki/चालाकी, tez/तेज़.”