Small, inconsequential, or not worth spending time on.(adjective)
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Use "piddly" in a sentence
"What is "piddly" to you is very, very meaningful to millions of Americans and tens of thousands of American soldiers."
"Many of the president's initiatives combine grand visions with proposed changes or appropriations that are best described by the technical social science terms "piddly" and"
"In any case, there's nothing "piddly" about this anymore."