prepositive Syllabification: (pre·pos·i·tive)Pronunciation: /prēˈpäzətiv/Definition of prepositive adjective Grammar (of a word, particle, etc.) placed in front of the word that it governs or modifies. Origin: late 16th century: from late Latin praepositivus (see pre-, positive)prepositive in other Oxford dictionaries Definition of prepositive in the British & World English dictionary