obliterate

v. t.

  1. To erase or blot out; to efface; to render undecipherable, as a writing.
  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.

a.

  1. Scarcely distinct; -- applied to the markings of insects.