1 adj If you describe someone as forceful, you approve of them because they express their opinions and wishes in a strong, emphatic, and confident way., (approval)
He was a man of forceful character, with considerable insight and diplomatic skills.
♦
forcefully adv
Mrs. Dambar was talking very rapidly and somewhat forcefully.
♦
forcefulness n-uncount
She had inherited her father's forcefulness.
3 adj A forceful point or argument in a discussion is one that is good, valid, and convincing.
(=powerful)