Dictionary and Thesaurus

Definition of Billion

• (n.) According to the French and American method of numeration, a thousand millions, or 1,000,000,000; according to the English method, a million millions, or 1,000,000,000,000. See Numeration.

Synonyms of Billion

• One Million Million
• 1E+12
• Million
• Trillion
• Zillion
• Jillion
• Gazillion
• One Thousand Million
• 1000000000

Antonyms of Billion

Homophones of Billion