Breadcrumb Home > Thesaurus > O Synonyms of octillion Find synonyms for: Noun 1. octillion, large integer usage: the number that is represented as a one followed by 27 zeros WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of octillion (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: rococo Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language