a. Perfect in what is undertaken; complete; going all lengths;
If she be a thoroughplaced impostor. Sir W. Scott. [ 1913 Webster ]
n. [ AS. þurhfaru. ]
A large and splendid thoroughfare. Motley. [ 1913 Webster ]
[ Made ] Hell and this world -- one realm, one continent
Of easy thoroughfare. Milton. [ 1913 Webster ]