Breadcrumb Home > Thesaurus > I Synonyms of infinitesimal Find synonyms for: Noun 1. infinitesimal, variable, variable quantity usage: (mathematics) a variable that has zero as its limit Adjective 1. infinitesimal, minute, small (vs. large), little (vs. big) usage: infinitely or immeasurably small; "two minute whiplike threads of protoplasm"; "reduced to a microscopic scale" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of infinitesimal (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: hagiography Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language