[vair-ee-uh ns]



    at variance,
    1. (of things) in a state of difference or disagreement.
    2. (of persons) in a state of controversy or dissension: at variance with one's superiors.

Origin of variance

1300–50; Middle English < Latin variantia, equivalent to vari(āre) to vary) + -antia -ance
Related formsnon·var·i·ance, nounself-var·i·ance, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for variance

Contemporary Examples of variance

Historical Examples of variance

  • We have exacted from him what is at variance with the fixed Chinese policy of ages.

  • She and his father had been at variance from his earliest remembrance.

    Little Dorrit

    Charles Dickens

  • I have reason to curse those interests; they are for ever at variance with mine.

  • He was in no hurry, however; he did not love her then, since he could be satisfied to live at variance with her.

    Doctor Pascal

    Emile Zola

  • She had gone to bed angry with Pascal; they were at variance with each other.

    Doctor Pascal

    Emile Zola

British Dictionary definitions for variance



the act of varying or the quality, state, or degree of being divergent; discrepancy
an instance of diverging; dissensionour variance on this matter should not affect our friendship
at variance
  1. (often foll by with)(of facts, etc) not in accord; conflicting
  2. (of persons) in a state of dissension
statistics a measure of dispersion obtained by taking the mean of the squared deviations of the observed values from their mean in a frequency distribution
a difference or discrepancy between two steps in a legal proceeding, esp between a statement in a pleading and the evidence given to support it
(in the US and Canada) a licence or authority issued by the board of variance to contravene the usual rule, esp to build contrary to the provision of a zoning code
chem the number of degrees of freedom of a system, used in the phase rule
accounting the difference between actual and standard costs of production
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for variance

mid-14c., "fact of undergoing change," from Old French variance, from Latin variantia, from variare "to change" (see vary). Meaning "state of disagreement" is recorded from early 15c. The U.S. zoning sense of "official dispensation from a building regulation" is recorded from 1925.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for variance


[vârē-əns, văr-]


The state or quality of being variant or variable; a variation.
The state or fact of differing or of being in conflict.
The square of the standard deviation.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.