billion

1. 1.Either of two large amounts:

   • At the last assessment it [the national debt] amounts to seven billion pounds (£7,000,000,000).
   • Plaintiff States also receive billions of dollars in funds every year directly from Treasury through BFS under federal grant programs.
   • The ChatGPT service which serves as Web front-end to GPT-3.5 and GPT-4 was the fastest-growing service in history to break the 100 million user milestone in January and had 1 billion visits by February 2023.

2. 2.An unspecified very large number.(colloquial)

   • There were billions of people at the concert.

Overall

Common· #1360

By learning goal

Everyday conversation

Uncommon

General reading & writing

Common

Academic

Rare

Literature

Rare

Word family

• bill