in|sig|nif|i|cance [ ,ınsıg`nıfikəns ] noun uncount
the quality of not being large or important enough to be worth considering:
insignificance of: It reminds us of the insignificance of man in the whole scheme of things.
a. fade into insignificance if something fades into insignificance, people forget about it and it becomes unimportant:
Eventually, these teenage rebellions will fade into insignificance.
b. pale into insignificance to suddenly seem small and unimportant when compared with something much more important or impressive:
Last year's spending pales into insignificance when compared with the proposed building renovations.

Usage of the words and phrases in modern English. 2013.