One who can’t pay the debts - Bankrupt (दिवालिया)
One who is fond of fighting - Bellicose (लडाकू)
Nations engaged in war - Belligerents (युद्धरथ)
A great lover of books - Bibliophile (पुस्तक प्रेमी)
Happening every second year - Biennial (द्विवार्षिक)
A person who speaks two languages - Bilingual (द्विभाषी)