triviality
(noun)
noun
1. the quality of being unimportant and petty or frivolous
Similar word(s): pettiness, puniness, slightness
Definition categories: attribute, unimportance
2. a detail that is considered insignificant
Similar word(s): trifle
Definition categories: thought, detail, item, point
3. something of small importance
Similar word(s): trifle, trivia
Definition categories: man–made, object