adj · noun · 6 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
/ˈbɪl.i.ənθ/
/ˈbɪl.jənθ/
Southern-England:Recorded audio is listed in the source snapshot.
CMU ARPABET:B IH1 L Y AH0 N TH
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
The ordinal form of the number one billion.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
The person or thing in the billionth position.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
One of a billion equal parts of a whole.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
adjective satellite
Meaning 4
the ordinal number of one billion in counting order
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
noun
Meaning 5
one part in a billion equal parts
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: one-billionth
Antonyms: none provided
Broader terms: common fraction, simple fraction
6
noun
Meaning 6
position 1,000,000,000 in a countable series of things
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: rank
History
Etymology
Etymology tree Proto-Indo-European *dwóh1 Proto-Indo-European *dwís Proto-Italic *dwis Old Latin duis Latin bisder. French bi- Proto-Indo-European *sem- Proto-Indo-European *sm̥- Proto-Indo-European *-is Proto-Indo-European *-h2 Proto-Indo-European *-ih2 Proto-Indo-European *smih2 Proto-Indo-European *ǵhes- Proto-Indo-European *-lom Proto-Indo-European *ǵhéslom ▲ Proto-Indo-European *-ih2 Proto-Indo-European *ǵhéslih2 Proto-Indo-European *smih2ǵhéslih2 Proto-Italic *smīɣeslī Latin mīlle Italian mille Proto-Indo-European *-ōder. Proto-Indo-European *-Hōder.? Latin -ōnem Italian -one Italian milionebor. Old French million Middle French million French millionbf. French -illion French billionbor. English billion English -th English billionth From billion + -th (ordinal suffix).
Across languages
Translations
40 source translations are retained for this English entry.
Czech:
miliardtý
— ordinal form of one billion
French:
milliardième
— ordinal form of one billion
German:
milliardste
— ordinal form of one billion
Hindi:
अरबवाँ
(arabvā̃)
— ordinal form of one billion
Italian:
miliardesimo
— ordinal form of one billion
Polish:
miliardowy
— ordinal form of one billion
Ukrainian:
мілья́рдний
(milʹjárdnyj)
— ordinal form of one billion