nonsignificant

From non- +‎ significant.

nonsignificant (not comparable)

1. Not significant.

   Synonym: insignificant

2. (sciences) Lacking statistical significance.
   • 2009 January 30, Michael L. Anstey et al., “Serotonin Mediates Behavioral Gregarization Underlying Swarm Formation in Desert Locusts”, in Science‎^[1]:

     Locusts that received an injection of 5-HTP but were not crowded also showed a similar but also nonsignificant increase in P_greg (median 0.38; P = 0.448), which indicates that this treatment was also insufficient to induce full behavioral gregarization.

nonsignificant (plural nonsignificants)

1. Something that has no significance.
   • 1605, Francis Bacon, “The Second Booke”, in The Twoo Bookes of Francis Bacon. Of the Proficience and Aduancement of Learning, Diuine and Humane, London: […] [Thomas Purfoot and Thomas Creede] for Henrie Tomes, […], →OCLC:

     The kinds of Ciphers (besides the simple ciphers with changes and intermixtures of nulls and nonsignificants) are many, according to the nature or rule of the infolding; […]

   • 2013, Carol Lynne, Royal Blood:

     Morwyn will be too concerned with the threat I present to worry about two nonsignificants in the area.