So trifling or trivial as to be beneath one's consideration.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "piddling" in a sentence
"Most wine retails for less than $20, but even if your resources can best be described as piddling, Christmas is not the time for sending Aunt Kate a $7.95 Romanian chardonnay."
"We're not talking about the kind of piddling savings that comes from giving up your twice-a-week Starbucks"
"It's also work that Michael Behe called "piddling", despite the fact that it directly addresses the claims of irreducible complexity."