vulgarisation vul·ga·ri·sation uncommon uk noun 1. the act of rendering something coarse and unrefined Synonymsvulgarization 2. the act of making something attractive to the general public Synonymspopularizationpopularisationvulgarization Related words Word family vulgarisevulgarizepopularisepopularize Broader terms degradation WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.