naughtnothing; be without result: come to naught; lost; ruinedNot to be confused with:aught ? anything whatever; any part: for aught I know; a cipher; zeroought ? should; duty or obligation: You ought to go to the memorial service.Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embreenaught also nought (nôt)n.1. Nonexistence; nothingness.2. The figure 0; a cipher; a zero.pron. Nothing: All their work was for naught.adj.1. Nonexistent.2. Insignificant.[Middle English, from Old English n?wiht : n?, no; see ne in Indo-European roots + wiht, thing; see wekti- in Indo-European roots.]American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.naught (n??t) n1. archaic or literary nothing or nothingness; ruin or failure2. (Mathematics) a variant spelling (esp US) of nought3. set at naught to have disregard or scorn for; disdainadvarchaic or literary not at all: it matters naught. adjobsolete worthless, ruined, or wicked[Old English n?wiht, from n? no1 + wiht thing, person; see wight1, whit]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014naught or nought (n?t) n. 1. nothing. 2. a cipher (0); zero. adj. Archaic. 3. lost; ruined. 4. worthless; useless. adv. 5. Obs. not. Idioms: come to naught, to end in failure. [before 900; Middle English; Old English nauht, n?wiht=n? no1 + wiht thing. compare nought, wight1, whit] Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.