adv. [UN-1 11: cf. prec.] Without fail; in all cases or circumstances.
c. 1400. Sc. Trojan War, II. 319. Fra Gregeois þat shall ay but les Be holden ay wnfalȝeandly [v.r. wnfenȝeandly; L. inviolabiliter].
1436. Pol. Poems (Rolls), II. 191. God wote, we have nede, Unfayllyngly, unfeynynge, and unfeynte, That concience for slought you not atteynte.
1833. Arnott, Physics (ed. 5), II. 8. If the colds of winter arrive too early, they unfailingly produce the wintry scene.
1888. H. Morten, Hospital Life, 26. He was unfailingly patient with the querulous babes.