/ Thesaurus / N Synonyms of natural number Find synonyms for: Noun1. natural number, numberusage: the number 1 and any other number obtained by adding 1 to it repeatedlyWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language