0 always determined and energetic in trying to achieve something and never willing to admit defeat:
Annie was an indefatigable campaigner for better community services.
For many years Annie has been an indefatigable campaigner for human rights.
A successful propagandist for reform and free trade, he was also indefatigable as lecturer and platform speaker.
Jay is indefatigable in pursuing the twists and turns of modern ideas of experience, carefully analyzing different theorists over two centuries.
The writer's indefatigable output and astonishing industry are apparent in a closer examination of the range of work he has produced during a lifetime spent in theatre and film.
He has been an indefatigable campaigner on the issue for many years.
Although he is sometimes indefatigable to the point of exhausting his friends and colleagues, that only adds to our admiration of him.
We have been and remain indefatigable in the search for that negotiated settlement.
I pay tribute to them for all their hard work and indefatigable efforts.
It has been repeatedly introduced by an indefatigable band of warriors, and supported by all-party groups.
