/ ˈtrɪviə; NAmE / noun [ U ]
1.
unimportant matters, details or information :
We spent the whole evening discussing domestic trivia.
2.
(usually in compounds) facts about many subjects that are used in a game to test people's knowledge :
a trivia quiz
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WORD ORIGIN
early 20th cent.: from modern Latin , plural of trivium place where three roads meet, influenced in sense by trivial .