nabobEnglishOxford New American Dictionarynabob /ˈnābäb, ˈneɪbɑb / ▸ noun historical a Muslim official or governor under the Mogul empire. ▪ a person of conspicuous wealth or high status. ▪ mainly historical a person who returned from India to Europe with a fortune. – ORIGIN from Portuguese nababo or Spanish nabab, from Urdu; see also nawab.