What is not failing; not liable to fail; inexhaustible; certain; sure. Dryden. -- Un*fail"ing*ly, adv. -- Un*fail"ing*ness, n called?

unfailing — Not failing; not liable to fail; inexhaustible; certain; sure. Dryden. -- Un*fail"ing*ly, adv. -- Un*fail"ing*ness, n. (Webster's 1913.)

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