A2 1K

Billion

🇬🇧 UK /["/ˈbɪljən/"]/ 🇺🇸 US /["/ˈbɪljən/"]/

Meaning of Billion

1 000 000 000; one thousand million

In simple words: One thousand million (1,000,000,000)

Billion in a sentence

• Worldwide sales reached 2.5 billion.
• half a billion dollars
• They have spent billions on the problem *(= billions of dollars, etc.)*.
• Our immune systems are killing billions of germs right now.

How to use Billion

Used in financial contexts and discussions about large quantities. It’s appropriate in both spoken and written communication. Avoid using it in very casual contexts.

Grammar pattern

standalone number

Memory hint

Think of 'billion' as 'big million' — a giant number!

Related words

Collocations with Billion

• billion dollars
• billion people
• billion assets
• billion views
• spend a billion

Synonyms for Billion

• thousand million
• 10^9
• giga

Opposites of Billion

• million
• thousand

Common mistakes with Billion

• Confused with 'million' – learners often mix up the scale of these numbers.
• Mispronounced or misspoken as 'billon'.
• Inaccurate usage in fiscal contexts, such as saying 'a billion of' instead of 'a billion dollars'.

Frequently asked questions about Billion

What does Billion mean?

One thousand million (1,000,000,000)

What is the definition of Billion?

1 000 000 000; one thousand million

How do you use Billion in a sentence?

Worldwide sales reached 2.5 billion.

Can you give another example of Billion?

half a billion dollars

What are synonyms for Billion?

Common alternatives include thousand million, 10^9, giga.

What is the opposite of Billion?

Opposite meanings include million, thousand.

What words go with Billion?

It commonly pairs with billion dollars, billion people, billion assets, billion views, spend a billion.

What are common mistakes when using Billion?

Confused with 'million' – learners often mix up the scale of these numbers. Mispronounced or misspoken as 'billon'. Inaccurate usage in fiscal contexts, such as saying 'a billion of' instead of 'a billion dollars'.

How do you pronounce Billion?

US: /["/ˈbɪljən/"]/, UK: /["/ˈbɪljən/"]/. Listen to the audio above to hear native pronunciation.

When should I use Billion?

Used in financial contexts and discussions about large quantities. It’s appropriate in both spoken and written communication. Avoid using it in very casual contexts.

What CEFR level is Billion?

"Billion" is at A2 level on the CEFR scale.