Obliterate (verb)

1. To destroy completely; wipe out.
2. To remove or efface all trace of; make invisible.

Origin:

From latin obliterare, from ob- "completely" + litera "letter".

Examples:

1. The storm obliterated the small town.
2. The explosion obliterated the building.
3. The company's financial losses have nearly obliterated their profits.
4. He tried to obliterate the memory of her.
5. The company's reputation was obliterated by the scandal.