noun · 3 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
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Received-Pronunciation:/ˌtɹɪl.i.əˈnɛə(ɹ)/
General-American:/ˌtɹɪl.jəˈnɛəɹ/
US:Recorded audio is listed in the source snapshot.
rhymes with -ɛə(ɹ)
1
noun
Meaning 1
A person whose wealth is at least one trillion (1012) currency units.
One who is therefore very wealthy, because those currency units are not hyperinflated.
Definition source: English Wiktionary via Wiktextract
Usage: especially
Examples
The CEO of our company is a multibillionaire and now hopes to become a trillionaire.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: natural person, person
2
noun
Meaning 2
A person whose wealth is at least one trillion (1012) currency units.
One who is not wealthy (nor rare), because those currency units are hyperinflated.
Definition source: English Wiktionary via Wiktextract
Usage: sometimes
Examples
Countless Zimbabweans had the dubious distinction of being trillionaires in 2008.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: natural person, person
3
noun
Meaning 3
Synonym of gazillionaire (“an incredibly rich person”).
Definition source: English Wiktionary via Wiktextract
Usage: figuratively
Examples
Who cares what that guy thinks? He may be a trillionaire, but he can’t buy good taste.
Meaning relationships
Synonyms: gazillionaire
Antonyms: none provided
Broader terms: natural person, person
History
Etymology
From trillion + -aire.
Across languages
Translations
29 source translations are retained for this English entry.
Chinese Mandarin:
兆萬富翁 /兆万富翁
— person whose wealth is at least one trillion currency units
Czech:
bilionář
— person whose wealth is at least one trillion currency units
Danish:
billionær
— person whose wealth is at least one trillion currency units
Finnish:
biljonääri
— person whose wealth is at least one trillion currency units
Georgian:
ტრილიონერი
(ṭrilioneri)
— person whose wealth is at least one trillion currency units
German:
Billionär
— person whose wealth is at least one trillion currency units
German:
Billionärin
— person whose wealth is at least one trillion currency units
Greek:
τρισεκατομμυριούχος
(trisekatommyrioúchos)
— person whose wealth is at least one trillion currency units
Indonesian:
trilyuner
— person whose wealth is at least one trillion currency units
Japanese:
兆万長者
(chōman chōja)
— person whose wealth is at least one trillion currency units
Japanese:
トリリオネア
(toririonea)
— person whose wealth is at least one trillion currency units
Korean:
조만장자
(jomanjangja)
— person whose wealth is at least one trillion currency units
Norwegian Bokmål:
billionær
— person whose wealth is at least one trillion currency units
Norwegian Nynorsk:
billionær
— person whose wealth is at least one trillion currency units
Persian:
تریلیونر
(triliyoner)
— person whose wealth is at least one trillion currency units
Persian:
تیلیاردر
(tiliyârder)
— person whose wealth is at least one trillion currency units
Polish:
bilioner
— person whose wealth is at least one trillion currency units
Portuguese:
trilionário
— person whose wealth is at least one trillion currency units
Romanian:
trilionar
— person whose wealth is at least one trillion currency units
Russian:
триллионе́р
(trillionér)
— person whose wealth is at least one trillion currency units
Russian:
триллионе́рша
(trillionérša)
— person whose wealth is at least one trillion currency units
Spanish:
trillonario
— person whose wealth is at least one trillion currency units
Spanish:
trillonaria
— person whose wealth is at least one trillion currency units
Spanish:
billonario
— person whose wealth is at least one trillion currency units
Swedish:
biljonär
— person whose wealth is at least one trillion currency units
Turkish:
trilyoner
— person whose wealth is at least one trillion currency units
Ukrainian:
трильйоне́р
(trylʹjonér)
— person whose wealth is at least one trillion currency units
Vietnamese:
nghìn tỉ phú
— person whose wealth is at least one trillion currency units
Vietnamese:
tỉ phú nghìn tỉ
— person whose wealth is at least one trillion currency units
