noun · 2 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.
UK:/ˌbɪl.i.əˈnɛə(ɹ)/
Southern-England:Recorded audio is listed in the source snapshot.
US:/ˌbɪl.jəˈnɛɚ/
CMU ARPABET:B IH2 L Y AH0 N EH1 R
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
Somebody whose wealth is at least one billion (109) currency units (usually understood to exclude holders of hyperinflated currencies).
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: milliardaire
Antonyms: none provided
2
noun
Meaning 2
a very rich person whose material wealth is valued at more than a billion dollars
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: rich person, wealthy person, have
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 ▲ French million Proto-Indo-European *-yósder. Proto-Italic *-āzios Latin -āriusder. French -aire French millionnairebor. English millionaire English -aire English billionaire From billion + -aire.
Across languages
Translations
55 source translations are retained for this English entry.
Arabic:
مِلْيَارْدِير
(milyārdīr)
— wealth exceeding one billion (10<sup>9</sup>)
Armenian:
միլիարդատեր
(miliardater)
— wealth exceeding one billion (10<sup>9</sup>)
Belarusian:
мільярдэ́р
(milʹjardér)
— wealth exceeding one billion (10<sup>9</sup>)
Belarusian:
мільярдэ́рка
(milʹjardérka)
— wealth exceeding one billion (10<sup>9</sup>)
Burmese:
ဘီလီယံနာ
(bhiliyamna)
— wealth exceeding one billion (10<sup>9</sup>)
Chinese Cantonese:
億萬富翁 /亿万富翁
(jik1 maan6 fu3 jung1)
— wealth exceeding one billion (10<sup>9</sup>)
Chinese Mandarin:
億萬富翁 /亿万富翁
(yìwàn fùwēng)
— wealth exceeding one billion (10<sup>9</sup>)
Czech:
miliardář
— wealth exceeding one billion (10<sup>9</sup>)
Danish:
milliardær
— wealth exceeding one billion (10<sup>9</sup>)
Dutch:
miljardair
— wealth exceeding one billion (10<sup>9</sup>)
Esperanto:
miliardulo
— wealth exceeding one billion (10<sup>9</sup>)
Estonian:
miljardär
— wealth exceeding one billion (10<sup>9</sup>)
Finnish:
miljardööri
— wealth exceeding one billion (10<sup>9</sup>)
French:
milliardaire
— wealth exceeding one billion (10<sup>9</sup>)
Georgian:
მილიარდერი
(miliarderi)
— wealth exceeding one billion (10<sup>9</sup>)
German:
Milliardär
— wealth exceeding one billion (10<sup>9</sup>)
German:
Milliardärin
— wealth exceeding one billion (10<sup>9</sup>)
Greek:
δισεκατομμυριούχος
(disekatommyrioúchos)
— wealth exceeding one billion (10<sup>9</sup>)
Hebrew:
מיליארדר
(miliarder)
— wealth exceeding one billion (10<sup>9</sup>)
Hebrew:
מיליארדרית
(miliarderit)
— wealth exceeding one billion (10<sup>9</sup>)
Hungarian:
milliárdos
— wealth exceeding one billion (10<sup>9</sup>)
Icelandic:
milljarðamæringur
— wealth exceeding one billion (10<sup>9</sup>)
Indonesian:
milyader
— wealth exceeding one billion (10<sup>9</sup>)
Italian:
miliardario
— wealth exceeding one billion (10<sup>9</sup>)
Japanese:
億万長者
(okumanchōja)
— wealth exceeding one billion (10<sup>9</sup>)
Japanese:
ビリオネア
(birionea)
— wealth exceeding one billion (10<sup>9</sup>)
Kazakh:
миллиардер
(milliarder)
— wealth exceeding one billion (10<sup>9</sup>)
Khmer:
អ្នកមានលុយរាប់រយកោដិ
(ʼnɑɑkmiənluyrŏəprɔɔykaodeʼ)
— wealth exceeding one billion (10<sup>9</sup>)
Korean:
억만장자
(eongmanjangja)
— wealth exceeding one billion (10<sup>9</sup>)
Macedonian:
милијарде́р
(milijardér)
— wealth exceeding one billion (10<sup>9</sup>)
Mongolian:
тэрбумтан
(terbumtan)
— wealth exceeding one billion (10<sup>9</sup>)
Norwegian:
milliardær
— wealth exceeding one billion (10<sup>9</sup>)
Persian:
میلیاردر
(miliyârder)
— wealth exceeding one billion (10<sup>9</sup>)
Polish:
miliarder
— wealth exceeding one billion (10<sup>9</sup>)
Polish:
miliarderka
— wealth exceeding one billion (10<sup>9</sup>)
Portuguese:
bilionário
— wealth exceeding one billion (10<sup>9</sup>)
Romanian:
miliardar
— wealth exceeding one billion (10<sup>9</sup>)
Romanian:
miliardară
— wealth exceeding one billion (10<sup>9</sup>)
Romansh:
milliardari
— wealth exceeding one billion (10<sup>9</sup>)
Russian:
миллиарде́р
(milliardér)
— wealth exceeding one billion (10<sup>9</sup>)
Russian:
миллиарде́рша
(milliardérša)
— wealth exceeding one billion (10<sup>9</sup>)
Serbo-Croatian:
милијардер
— wealth exceeding one billion (10<sup>9</sup>)
Serbo-Croatian:
milijarder
— wealth exceeding one billion (10<sup>9</sup>)
Spanish:
milmillonario
— wealth exceeding one billion (10<sup>9</sup>)
Spanish:
millardario
— wealth exceeding one billion (10<sup>9</sup>)
Spanish:
billonario
— wealth exceeding one billion (10<sup>9</sup>)
Swahili:
bilionea
— wealth exceeding one billion (10<sup>9</sup>)
Swedish:
miljardär
— wealth exceeding one billion (10<sup>9</sup>)
Thai:
มหาเศรษฐี
(má-hǎa-sèet-tǐi)
— wealth exceeding one billion (10<sup>9</sup>)
Thai:
กุฎุมพี
(gù-dum-pii)
— wealth exceeding one billion (10<sup>9</sup>)
Turkish:
milyarder
— wealth exceeding one billion (10<sup>9</sup>)
Ukrainian:
мільярде́р
(milʹjardér)
— wealth exceeding one billion (10<sup>9</sup>)
Ukrainian:
мільярде́рка
(milʹjardérka)
— wealth exceeding one billion (10<sup>9</sup>)