Definitions

1. noun

A person or organization that promotes or recommends a product, service, or idea

“The celebrity became a high-profile endorser for a popular clothing brand.”

2. verb

To give one’s support or approval to something

“The politician endorsed the new policy and encouraged others to do the same.”

3. verb

To provide a guarantee or warranty for something

“The manufacturer endorses the quality of their products with a lifetime warranty.”