statistically significant

adjective

Having a p-value of 0.05 or less (having a probability of 5% or less of occurring by random chance)

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Meanings

adjectivestatistically significant (comparative more statistically significant, superlative most statistically significant)

comparative more statistically significant · superlative most statistically significant

  1. mathematicsHaving a p-value of 0.05 or less (having a probability of 5% or less of occurring by random chance)

    Data were tested for equiproportionality and Chi-square test associated p-value is reported when the difference is statistically significant.

    2016 January 13, “USP2-45 Is a Circadian Clock Output Effector Regulating Calcium Absorption at the Post-Translational Level”, in PLOS ONE, →DOI
  2. Pertaining to statistical significance
  3. Used other than figuratively or idiomatically: see statistically, significant.

Origin

(regarding p-values): Coined by Sir Ronald Aylmer Fisher

Full word history & related roots →
Cite this entry
APA

statistically significant. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/statistically%20significant

MLA

“statistically significant.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/statistically%20significant. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “statistically significant,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/statistically%20significant.

Source: statistically significant on Wiktionary, CC BY-SA 4.0.