Also found in: Thesaurus.


1. Not significant.
2. Having, producing, or being a value obtained from a statistical test that lies within the limits for being of random occurrence.

non′sig·nif′i·cance n.
non′sig·nif′i·cant·ly adv.
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.


(in cryptography) a symbol or sign without meaning
not significant; insignificant
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.nonsignificant - attributable to chance
statistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters
significant - too closely correlated to be attributed to chance and therefore indicating a systematic relation; "the interaction effect is significant at the .01 level"; "no significant difference was found"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
In patients diagnosed with depression or anxiety, there was a significant reduction in non-mental health specialty visits, a significant increase in telephone visits, and a nonsignificant reduction in average total costs.
Spin in this specific context means using of specific reporting strategies, "from whatever motive, to highlight that the experimental treatment is beneficial, despite a statistically nonsignificant difference for the primary outcome, or to distract the reader from statistically nonsignificant results," the authors defined.
The waves of the sea will be 1-2 bales.Above the mountains nonsignificant cloudiness is expected.
Sleeping less than six hours was linked to a slight, but statistically nonsignificant, increased risk of these outcomes.
Among the additional findings of the study were a small, but statistically nonsignificant association between pancreatic cancer and gum disease.
In SU treatment group, the use of placebo led to a nonsignificant HbA1c change from baseline (MD, 0.187%; 95% CI , −0.144-0.518%; P = 0.269) in Caucasian population.
In women aged more than 50 years, who would have been eligible to participate in the screening program, the incidence of stages 2-4 cancers decreased by a nonsignificant 0.16%; from 168/100,000 women in 1989 to 166/100,000 in 2012.
Compared with the control group, the massage with essential oil group had nonsignificant effect on reducing the pain (standardized mean difference = 0.01; 95% CI [-0.23,0.24]).
In this issue, researchers report on two studies with nonsignificant results for the primary outcome (Donaldson, Ingrago, Drake, & Ocampo, 2017; Eastwick, Leise, Sabo, Clute, & Stoj, 2017).
In contrast, those who received a placebo experienced nonsignificant changes.
PEFR has statistically nonsignificant correlation with the weight, height, and body surface area.
In the three trials that reported the Ocular Surface Disease Index, there was a nonsignificant improvement with omega-3 fatty acids, compared with control (p = 0.09).