Breadcrumb Home > Dictionary > Index N nonplus: Meaning and Definition of Find definitions for: non•plus Pronunciation: (non-plus', non'plus), [key] — v., n. -plussedor-plused, -plus•singor-plus•ing, —v.t. to render utterly perplexed; puzzle completely. —n. a state of utter perplexity. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nonplus (Thesaurus) non placet* nonpoint TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: erudite Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language