Learner's definition of ENDORSE
to publicly or officially say that you support or approve of (someone or something)
The newspaper has endorsed the conservative candidate for mayor.
The committee must endorse [=approve] the decision.
We do not endorse their position.
to publicly say that you like or use (a product or service) in exchange for money
to write your name on the back of (a check)
to put information about a driving offense on (a person's driver's license)
— usually used as (be) endorsed