This makes sense because an organism will first learn to obtain food and water before it tries other more frivolous pursuits.

Online shopping may seem to be a frivolous pursuit that is also an illegitimate use of time on the job.

These are hardly disrespectful, though, for a souffle is actually one of cooking's most frivolous pursuits.

Though he has little time for frivolous pursuits, he is knowledgeable about such matters because such knowledge helps him influence others.

Later, he added, "I'm not just down here on some frivolous pursuit."

For some reason he seems to think that reconciling quantum mechanics with Einstein's theory of gravity is a frivolous pursuit.

He sets aside his more frivolous pursuits and goes to work for Mary Garth's father.

After that, nobody was talking about fashion except as a frivolous pursuit, and Mr. Adrover was soon out of business.

But it came across as a frivolous pursuit, just tinkering with nature to no end except to arrogantly push back the boundaries.

He summed up his role: "I'm living proof that frivolous pursuits can be parlayed into gainful employment."