nonsignificant
adjective
non·sig·nif·i·cant ˌnän-sig-ˈni-fi-kənt 
: not significant: such as
a
: insignificant
b
: meaningless
c
: having or yielding a value lying within limits between which variation is attributed to chance
a nonsignificant statistical test
nonsignificantly adverb
Example Sentences
Recent Examples on the Web Disapproval has been higher, by a nonsignificant 3 percentage points, only for Trump. 
Gary Langer, ABC News, 26 Feb. 2022
Gary Langer, ABC News, 26 Feb. 2022 Word History
First Known Use
1603, in the meaning defined above