uncommunicative Syllabification: (un·com·mu·ni·ca·tive)Pronunciation: /ˌənkəˈmyo͞onəkətiv, -ˌkātiv/Translate uncommunicative | into French | into Italian | into Spanish Definition of uncommunicative adjective (of a person) unwilling to talk or impart information. (of something such as writing or art) not conveying much or any meaning or sense. Derivatives uncommunicatively adverb uncommunicativeness noun uncommunicative in other Oxford dictionaries Definition of uncommunicative in the British & World English dictionary