0 If someone has untiring energy, interest, or enthusiasm, their energy, interest, or enthusiasm never becomes weaker: --
1 (esp. of qualities such as energy, interest, and enthusiasm) never weakening: --
Without Tony’s untiring enthusiasm, this campaign would not have succeeded.
I pay tribute to the untiring effort that all those bodies have put in to help mitigate the damage caused by the incident.
Both have been untiring and successful in dealing with the proposals that have been put before their committee.
Continual observation, untiring attention to details and an intelligent and accurate appreciation of difficulties are absolutely essential.
There is no doubt that the very greatest credit is due to the untiring efforts of our sanitary staff and our medical officers.
But we do not deny that there is cause for ceaseless and untiring vigilance and for most continuous care and supervision.
I appreciate in particular his untiring efforts in developing and refining further the defence concepts and plans evolved by his predecessors.
He was endowed with great mental and intellectual powers, trained by him with untiring energy and by long contact with public life.
It was an impressive story of untiring work to try to bring about a peaceful solution to this intractable problem.