extremely angry

अत्यंत गुस्सा

English Usage: She was furious when she found out the truth.

Hindi Usage: जब उसने सच जाना तो वह अत्यंत गुस्से में थी।

a state of intense anger

तीव्र गुस्से की स्थिति

English Usage: His furious was evident in his tone.

Hindi Usage: उसका गुस्सा उसकी आवाज़ में ज़ाहिर था।

to act with extreme anger (though this usage is rare)

तीव्र क्रोध में कार्य करना

English Usage: He furiously argued his point during the debate.

Hindi Usage: उसने बहस के दौरान तीव्रता से अपना पक्ष रखा।