1. official documents that give legal authority to do something, especially to search or arrest
Usage: legal
2. certificates that give the holder the right to buy shares at a specific price
Usage: finance

1. justifies or makes necessary
2. guarantees or promises something

Examples

• The police obtained search warrants for three houses.
• Stock warrants allow investors to purchase shares at a fixed price.
• His behavior warrants immediate attention from the principal.
• The evidence warrants further investigation.
• The company warrants that the product will last five years.
• Such extreme measures hardly warrant the minor offense.
• The judge issued arrest warrants for the suspects.