1. a person who publicly supports or approves of someone or something
2. a person who signs the back of a check or other negotiable instrument to transfer it to another party
Usage: banking; finance

Examples

• The celebrity endorser appeared in several commercials for the new product.
• As a prominent endorser of the candidate, she spoke at multiple campaign rallies.
• The endorser must sign the back of the check before depositing it.
• The bank requires the endorser to provide identification when cashing the check.
• Several high-profile endorsers withdrew their support after the scandal.
• The endorser’s signature was required to complete the transaction.