Unwearying synonyms

To his unwearying zeal and business ability the triumph secured was chiefly due.

The great object of Innocent's desire was the repulse of the Turks, and his unwearying efforts to that end entitled him to share in the glory of relieving Vienna (1683).

A man of pure character, vigorous mind, unwearying zeal and uncommon generosity, Ambrose ranks high among the fathers of the ancient church on many counts.

The Suffolk is a resolute and unwearying worker, and is richly endowed with many of the best qualities of a horse.

Many of the most prominent Englishmen of the day were his pupils and owed much of what they were to his precept and example, his penetrative sympathy, his insistent criticism, and his unwearying friendship. Seldom have ideal aims been so steadily pursued with so clear a recognition of practical limitations.