"frivolous act" is a correct and usable phrase in written English.
You can use it when you want to describe an action that is done without seriousness or importance. For example, "He dismissed the company policy as a frivolous act."
Equal parts frivolous and exciting.
At least there is a Kate to argue with Leonard — in sharp contrast to another current Broadway production, Woody Allen's "Honeymoon Motel," one of three frivolous one-acts in "Relatively Speaking," which, like "Seminar," celebrates the true (male) writer-artist and rewards him with a much-younger blonde.
To weed out frivolous suits, the act required law firms to undertake substantial and expensive investigations to demonstrate possible corporate fraud before judges would allow discovery to begin.
Judge Jacobs launched into a gratuitous attack on the plaintiffs and their lawyers, whom he charged with bringing the "frivolous" case "to act out their fantasy of persecution, to validate their pretensions to policy expertise, to make themselves consequential rather than marginal, and to raise funds for self-sustaining litigation".
* Harassing climate scientists and universities with frivolous Freedom of Information Act requests.
Those trying to block climate policy by any means necessary have resorted to trying to make scientists' private emails public, via either hacking or frivolous Freedom of Information Act requests.
Still, it was a politically frivolous and base-pandering act for House Republicans, who have a less than vigorous schedule anyway, to vote 42 times to repeal the health care law, knowing that repeal would be unacceptable to the Senate or the president.
What Cruz objected to was Roberts' two votes to save the Affordable Care Act from frivolous conservative lawsuits.
For example, the Innovation Act is reducing costly, frivolous lawsuits against biotech firms, and the Affordable Care Act (ACA) is introducing millions of new patients into the healthcare system, increasing demand.
Suddenly, a case that Affordable Care Act supporters had dismissed as frivolous looked very serious.
