enterenterentersenteredenteringverb (enters, entering, entered)1(formal) to come or go into a place: They stopped talking when she entered the room. Do not enter without knocking.speakingIn this sense, it is more usual to say go in or come in.2to give your name to somebody because you want to do something like take an exam or run in a race: I entered a competition last month and won a prize.3to put information on paper or in a computer: Please enter your name and address at the top of the form. I've entered the data onto the computer.