vigorishPronunciation: /ˈvɪg(ə)rɪʃ/Definition of vigorish noun US informal 1 [in singular] an excessive rate of interest on a loan, typically one from an illegal moneylender. 2 [mass noun] the percentage deducted from a gambler’s winnings by the organizers of a game: payment of vigorish to be made at a later timeOrigin: early 20th century: probably from Yiddish, from Russian vyigrysh 'gain, winnings'vigorish in other Oxford dictionaries Definition of vigorish in the US English dictionary