Breadcrumb Home > Thesaurus > O Synonyms of occam's razor Find synonyms for: Noun1. Occam's Razor, Ockham's Razor, principle of parsimony, law of parsimony, principle, ruleusage: the principle that entities should not be multiplied needlessly; the simplest of two competing theories is to be preferredWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. ✖ Related Content Daily Word Quiz: unctuous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language