obliterate

Short definition from Wiktionary

Verb

1. 1
   To destroy (someone or something) completely, leaving no trace; to annihilate, to wipe out.
2. 2
   To hide (something) by covering it; to conceal, to obscure.
3. 3
   To make (a drawing, text which is printed or written, etc.) indecipherable, either by erasing or obscuring it; to blot out, to efface, to delete.
4. 4
   To impair the function and/or structure of (a body cavity, vessel, etc.) by ablating or occluding it (in the latter case, chiefly by filling it with tissue).
5. 5
   To cancel (a postage stamp) with a postmark so it cannot be reused.
6. 6
   To be destroyed completely, leaving no trace.
7. 7
   Of a body cavity, vessel, etc.: to close up or fill with tissue; of perfusion or a pulse: to cease owing to obstruction.

Adjective

1. 1
   Completely destroyed or erased; effaced, obliterated.
2. 2
   Of markings on an insect: difficult to distinguish from the background; faint, indistinct.