"The lawsuit was dismissed because the judge declared it to be frivolous."

"Most of the blogs on the internet are a frivolous waste of resources."

"His frivolous remarks did not fit the solemnity of the occasion."

"Spending money on comic books seemed frivolous to Simone, who has no money for food."

"Spending money on comic books would seem frivolous to someone who has no money for food."

When an inmate files a suit against the prison and its over a matter that isnt or legally a crime, someones oatmeal wasnt hot enough or something to that extent.

When an inmate files a suit against the prison and its over a matter that isnt or legally a crime, someones oatmeal wasnt hot enough or something to that extent.

What a frivolous question.

Honestly:

Many people think frivolous thoughts.

"This is such a frivolous idea!"

The same as in the US, frivolous.