Interactive: 1. Used alone to say that something is not true, to refuse an offer, or to refuse permission. English = 'No!' 2. Used alone, when directed as someone you are talking to, to tell them to no do or stop doing something. English = "Don't", "Don't do that", "Stop that", and so on. As Modifier: 1. Used immediately next to a verb or adjective to negate it (i.e., that the action does not happen, or that something does not have that quality). English = not, don't, doesn't, didn't.