Billion
7 lettersnumbercommonUpdated June 2026
Definition
The number equivalent to one thousand million (1,000,000,000); in British English historically one million million. A very large number.
“The company's revenue exceeded ten billion pounds this year.”
Pronunciation
IPA
/ˈbɪljən/
Syllables
bil·lion
Word Game Tips
🟩
Wordle
Double 'L' pattern; -ION ending
🔤
Scrabble
10 points; good for using double letters effectively
Words Related to Billion
Words one letter different
Change a single letter of “billion” to make these 7-letter words — useful for Wordle and crossword clues.
Explore Similar Words
Try These Tools
Dictionary References
Look up billion in an authoritative dictionary for full definitions, pronunciation, and etymology.
Ready to test your word skills?
Download Word Challenge for unlimited word puzzles, a fresh Daily Challenge, and head-to-head multiplayer. Guess the hidden word in six tries or fewer!