Word.ws English Dictionary

decabillionaire

decabillionaire noun: a person whose wealth is greater than ten billion (10¹⁰) dollars, or other currency.

Noun

decabillionaire (plural decabillionaires)

  1. (rare) A person whose wealth is greater than ten billion (10¹⁰) dollars, or other currency.

Forms of decabillionaire

pluraldecabillionaires

Origin of decabillionaire

From deca- (“ten”) + billionaire.

Questions about decabillionaire

What does decabillionaire mean?
Decabillionaire means a person whose wealth is greater than ten billion (10¹⁰) dollars, or other currency.
What part of speech is decabillionaire?
Decabillionaire is a noun.
What is the plural of decabillionaire?
The plural of decabillionaire is decabillionaires.

Words near decabillionaire in the dictionary

  1. deca dick
  2. deca-
  3. decaampere
  4. decaamperes
  5. decabillion
  6. decabillionaire
  7. decabillionaires
  8. decabillions
  9. decaborane
  10. decaboranes
  11. decaborate

Source and license

Adapted from Wiktionary: decabillionaire (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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