- pettiness, triviality, slightness - the quality of being unimportant and petty or frivolous
--1 is a kind of unimportance
--1 has particulars: joke - technicality, trifle, triviality - a detail that is considered insignificant
--2 is a kind of detail, item, point
- triviality, trivia, trifle, small beer - something of small importance
--3 is a kind of object, physical object
--3 has particulars: bagatelle, fluff, frippery, frivolity