What does "obliterate" mean?

Obliterate: To wear out; to remove or destroy utterly by any means; to render imperceptible; as. to obliterate ideas; to obliterate the monuments of antiquity. The harsh and bitter feelings of this or that experience are slowly obliterated. W. Black.

Additional senses

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

Sources