1. a written guarantee promising to repair or replace a product if it breaks within a certain time period
2. a promise or assurance that something is true or will happen
Usage: formal

Examples

• The laptop comes with a two-year warranty.
• I kept the warranty card in case something goes wrong.
• The warranty covers parts and labor for twelve months.
• Make sure to register your warranty online.
• The warranty expired last month, so repairs aren’t free anymore.
• There is no warranty that the weather will be good for our picnic.