1. to destroy completely; to remove all traces of something
2. to cover or hide something completely

Examples

• The bombing obliterated the entire city block.
• Heavy rain obliterated the chalk drawings on the sidewalk.
• The new highway will obliterate the historic neighborhood.
• Thick fog obliterated the view of the mountains.
• Time had obliterated most traces of the ancient civilization.
• The explosion obliterated all evidence of the laboratory.
• Dense clouds obliterated the sun during the eclipse.