A written guarantee, issued to the purchaser of an article by its manufacturer, promising to repair or replace it if necessary within a specified period of time.

The new laptop came with a two-year warranty that covers any hardware defects.

In law, a clause or covenant by which the seller of land or goods undertakes to defend the title or quality against lawful claims and makes good any loss that may arise.

Under the deed, the grantor gave a full warranty against any future claims to the property.

warrantyverb

To guarantee or affirm the quality, integrity, or title of something by issuing a warranty.

The seller hereby warranties that the goods are free from any security interests or liens.