1. formal promises or assurances that something will happen or be provided
Usage: plural of guarantee
2. written agreements that promise to repair or replace a product if it breaks within a certain time
Usage: plural of guarantee

1. promises or assures that something will definitely happen or be true
Usage: third person singular present tense

Examples

• The company offers lifetime guarantees on all their products.
• These warranties and guarantees protect consumers from defective goods.
• Success in this field guarantees a high salary.
• The new policy guarantees equal treatment for all employees.
• Nothing guarantees that the weather will be good tomorrow.
• The constitution guarantees freedom of speech.
• Most electronics come with one-year guarantees.