1) Frippery 2) Froth 3) Insignificance 4) Nugacity 5) Pushpin 6) Slightness 7) Technicality 8) Triteness 9) Trivia 10) Unimportance 1) Mathematical terminology 2) Pettiness 3) Slightness 4) Something of small importance 5) Unimportance 
[mathematics] In mathematics, the adjective trivial is frequently used for objects (for example, groups or topological spaces) that have a very simple structure. The noun triviality usually refers to a simple technical aspect of some proof or definition. The origin of the term in mathematical language comes from the medieval trivium curricu...
• (n.) The quality or state of being trivial; trivialness. • (n.) That which is trivial; a trifle.
triviality The quality or condition of being trivial; something trivial; the condition or quality of having little importance or seriousness.
trivia noun something of small importance