/ Thesaurus / 5 Synonyms of 500 Find synonyms for: Noun1. five hundred, 500, D, large integerusage: the cardinal number that is the product of one hundred and fiveAdjective1. five hundred, 500, d, cardinal (vs. ordinal)usage: denoting a quantity consisting of 500 items or unitsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language