An example of worthwhile is donating your time to build houses for Habitat for Humanity.
Doing volunteer work to help others is truly worthwhile.
It was worthwhile to pursue the ghost writer.
It was worthwhile to contribute.
As with all the best presents, the wait was definitely worthwhile.
I'd like to think we were doing something worthwhile instead of wasting our time on pointless errands.
Dean was sure that, deep down, she thought whacking at a ball or chasing one someone else clobbered was an extended children's game and certainly not a worthwhile profession.