demassify Syllabification: (de·mas·si·fy)Pronunciation: /dēˈmasiˌfī/Definition of demassify verb (demassifies, demassifying, demassified) [with object] divide or break up (a social or political unit) into its component parts. Derivatives demassificationPronunciation: /-ˌmasifiˈkāSHən/ noun demassify in other Oxford dictionaries Definition of demassify in the British & World English dictionary