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

• Trillion
• Zillion
• One Million Million
• Gazillion
• Million
• Jillion
• One Thousand Million
• One Thousand Thousand
• One Million Million Million
• Meg
• Cardinal

Antonyms of Billion

• Ordinal

Homophones of Billion