Breadcrumb Home > Thesaurus > Z Synonyms of zillion Find synonyms for: Noun 1. million, billion, trillion, zillion, jillion, gazillion, large indefinite quantity, large indefinite amount usage: a very large indefinite number (usually hyperbole); "there were millions of flies" Adjective 1. zillion, cardinal (vs. ordinal) usage: very large indeterminate number; "a zillion people were there" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of zillion (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: apotheosis Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language