Dinned into is a phrase that means to repeat forcefully or to urge someone to do something repeatedly. There are several synonyms for the phrase, including drilled, instilled, hammered, engrained, impressed, and inculcated. These words all carry the connotation of a repeated forceful action that is intended to make an impression or to instill knowledge or a particular behavior in someone. For example, a teacher might drill a student on multiplication tables until they are engrained in the student's memory. An employer might hammer home the importance of punctuality and reliability to their employees. Regardless of the context, these words all convey the message of repetition and persistence in making an idea or concept stick.