engrossing UK /ɛnˈɡɹəʊsɪŋ/US /ɛnˈɡɹoʊsɪŋ/adjective 1noun 1forms 3 adjective1 •Utterly consuming one's time and attention.The good news about “The Silence” is that it’s engrossing and that, at 83, DeLillo’s syntax is as prickly as ever. — 2020 noun1 •The act of one who engrosses, or buys up wholesale. formsengrossings · more engrossing · most engrossing