Verb:

कड़ी पीड़ा अनुभव करना, कड़ी पीड़ा देना,

Adjective:

कठोर, कड़ा, बना-ठना, तीव्रबुद्धि, हाज़िरजवाब, फुरतीला, चतुर,

smart's Usage Examples:

"He's a smart lad," said an hussar standing near Petya.

You're a smart girl.

Even a bird is smart enough to push the fledgling out of the nest when it fails to fly on its own.

Save the smart talk for later.

You're too smart to assume anything.

You're just as smart as any one of them.

She's cute as a princess and smart, like her mother.

See how smart she's made herself!

The guy is smart and does his homework.

I can tell you're a smart girl, Brenda.

Synonyms:

astute, canny, with-it, street smart, clever, intelligent, streetwise, sharp, cagy, cagey, shrewd,

Antonyms:

pleasure, good health, failure, unintelligent, stupid,