Unworthy of serious attention; trivial: a frivolous novel. (adjective)
Inappropriately silly: a frivolous purchase. (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 "frivolous" in a sentence
"ANDERSON: Well, as I pointed out earlier, you know, most meals are eaten at home and these lawsuits really do give the term frivolous a bad name."
"In the months leading up to her July resignation as Alaska governor, her legal bills had mounted to more than $500,000, fueled mostly by what she called frivolous ethics complaints."
"Palin has said one of the reasons she's stepping down is because of what she called frivolous ethics complaints by political operatives descending on Alaska."