1noun
position 1,000,000,000 in a countable series of things
01 Word definition
billionth
9 letters · 3 vowels · 6 consonants
Is BILLIONTH a word?
Yes. BILLIONTH is a 9-letter noun. position 1,000,000,000 in a countable series of things Check the official dictionary for your particular word game before playing it.
Correct spelling
B-I-L-L-I-O-N-T-HHow do you spell BILLIONTH?
BILLIONTH contains 9 letters, begins with B, and ends with H.
Check another spelling →Meaning and definition
2noun
one part in a billion equal parts
Synonyms
Source: Open English WordNet 2025 (CC BY 4.0) ↗one-billionth
02 Letter breakdown
How is BILLIONTH spelled?
B1I2L3L4I5O6N7T8H9
03 Word-game status
Can you play BILLIONTH?
UnscramblerHQ dictionary
This spelling is present in our broad English solver dictionary.
Scrabble
Base tile value: 14 points. Confirm eligibility in the official word list used for your region and edition.
Words With Friends
Base tile value: 17 points. Confirm eligibility inside the current game dictionary.
FAQ Quick answers
About BILLIONTH.
How do you spell BILLIONTH?
BILLIONTH is spelled B-I-L-L-I-O-N-T-H. It contains 9 letters.