"triviality" in the noun sense
1. pettiness, triviality, slightness, puniness
the quality of being unimportant and petty or frivolous
2. trifle, triviality
a detail that is considered insignificant
3. triviality, trivia, trifle, small beer
something of small importance
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License