five hundred /ˈfaɪv ˈhʌn.dɹəd/noun 2number 1forms 1 noun2 •A note worth 500 units of some currency. •A trick-taking card game with elements of euchre and bridge. number1 •The cardinal number occurring after four hundred ninety-nine and before five hundred one, represented in Arabic numerals as 500. Ordinal: five-hundredth. formsfive hundreds