nugacious
Trivial; unimportant or insignificant.
nugaciousness
1. Trivial (of little worth); unimportant or insignificant.
2. Lacking in seriousness, importance, or value.
nugacity
1. Trifling, triviality (matter of little importance), futility.
2. A trifling or frivolous idea.
nugatorily
A reference to anything that has no worth or meaning; or which is insignificant or useless.
nugatory
1. Having no power; inoperative.
2. Having no force; ineffective.
3. Having no worth or meaning; of little value.
nugiperous
Given to inventing trifles.