compelling /kəmˈpɛlɪŋ/adjective 3noun 1forms 3 adjective3 •strong and forceful; that causes one to feel like they must do somethingI would need a very compelling reason to leave my job. •capable of causing someone to believe or agreeHe made a compelling argument. •very interesting; able to capture and hold one's attentionThe novel was so compelling that I couldn't put it down. noun1 •An act of compulsion; an obliging somebody to do something. formscompellings · more compelling · most compelling