obliterate

v. t. [ imp. & p. p. Obliterated p. pr. & vb. n. Obliterating. ] [ L. obliteratus, p. p. of obliterare to obliterate; ob (see Ob-) + litera, littera, letter. See Letter. ] 1. To erase or blot out; to efface; to render undecipherable, as a writing. [ 1913 Webster ]

2. To wear out; to remove or destroy utterly by any means; to render imperceptible; as, to obliterate ideas; to obliterate the monuments of antiquity. [ 1913 Webster ]

The harsh and bitter feelings of this or that experience are slowly obliterated. W. Black. [ 1913 Webster ]

a. (Zool.) Scarcely distinct; -- applied to the markings of insects. [ 1913 Webster ]