The impact of the change was insignificantly small.
insignificantly low
Frequency:
60
%
The chances of winning were deemed insignificantly low.
insignificantly different
Frequency:
50
%
The two options were found to be insignificantly different.
insignificantly minor
Frequency:
45
%
The error in the report was deemed insignificantly minor.
Idiomatic Expressions for insignificantly
Phrase: Drop in the bucket
Meaning: A very small or insignificant amount
Usage: The donation we received was just a drop in the bucket compared to what we need.