triv ‧ i ‧ al ‧ i ‧ ty /ˌtrɪviˈæləti, ˌtrɪviˈælɪti/ BrE AmE noun ( plural trivialities )
1 . [countable] something that is not important at all:
Don’t waste time on trivialities.
2 . [uncountable] the fact of not being at all important or serious:
the triviality of daytime TV