anterograde Syllabification: (an·ter·o·grade)Pronunciation: /ˈantərōˌgrād/Definition of anterograde adjective directed forward in time. The opposite of retrograde. of or denoting a type of amnesia involving inability to remember any new information. Origin: late 19th century: from anterior, on the pattern of retrogradeanterograde in other Oxford dictionaries Definition of anterograde in the British & World English dictionary