engrossing eng·ros·sing UK/ɛnˈɡɹəʊsɪŋ/ US/ɛŋˈɡɹəʊsɪŋ/ uncommon adjective 1. capable of arousing and holding the attention “a fascinating story” Synonymsabsorbingfascinatinggrippingriveting Similarinteresting WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.