Home › Words › D › decabillionairedecabillionairedecabillionaire means A person whose wealth is greater than ten billion (10¹⁰) dollars, or other currency.Among words judged in Lexicurio's Arena, decabillionaire ranks #41,504 of 42,749 for Qualifying.EtymologyFrom deca- (“ten”) + billionaire.nounA person whose wealth is greater than ten billion (10¹⁰) dollars, or other currency.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.decillionaire 83% match — Somebody whose wealth is at least one decillion (10³³) currency units. vs decabillionaire →hectobillionaire 82% match — A person whose net worth is greater than one hundred billion (10¹¹) dollars, or other currency. vs decabillionaire →centibillionaire 79% match — A person whose net worth is greater than one hundred billion (10¹¹) dollars, or other currency. vs decabillionaire →centillionaire 77% match — Somebody whose wealth is greater than one centillion (10³⁰³) units of the local currency; an extremely rich person. vs decabillionaire →decamillionaire 77% match — A person whose wealth amounts to ten million dollars (or other currency unit). vs decabillionaire →octillionaire 77% match — Somebody whose wealth is at least one octillion (10²⁷) currency units. vs decabillionaire →billionaire 77% match — Somebody whose wealth is at least one billion (10⁹) currency units (usually understood to exclude holders of hyperinflated currencies). vs decabillionaire →superbillionaire 74% match — A person who has many times more than one billion units of the local currency. vs decabillionaire →