Of course it's tiring, but then what worthwhile activity isn't?

This is typically for training but many people consider this a worthwhile activity in its own right.

Classical music, like nearly all other worthwhile cultural activities, attracts a minority of the community.

Being retired can be a rewarding time, especially when it's filled with entertaining and worthwhile activities.

Nor is there anything wrong with taking risks; most worthwhile activities have uncertain outcomes.

Additional money is allocated (at the margin) to the next most worthwhile activity.

But she could think of no activity more worthwhile than staying close to the chief of state's family.

It is a worthwhile activity taking children on a walk in the spring to look at tree flowers.

In principle, this is a worthwhile activity for the European Union.

Whether or not they spend time in the kitchen, more Americans now consider cooking a worthwhile activity.