forceful

Universal Words adjective 1 (of people) expressing opinions firmly and clearly in a way that persuades other people to believe them SYNASSERTIVE: a forceful woman / speaker * a forceful character / personality 2 (of opinions, etc.) expressed firmly and clearly so that other people believe them: a forceful argument / speech 3 using force: the forceful suppression of minorities forcefully adverb: He argued his case forcefully. forcefulness noun [U]